1072213632 has 512 divisors, whose sum is σ = 3948134400. Its totient is φ = 279797760.

The previous prime is 1072213603. The next prime is 1072213633. The reversal of 1072213632 is 2363122701.

1072213632 is a `hidden beast` number, since 1 + 0 + 7 + 2 + 21 + 3 + 632 = 666.

It is a super-2 number, since 2×1072213632² = 2299284145293262848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1072213596 and 1072213605.

It is not an unprimeable number, because it can be changed into a prime (1072213633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22813033 + ... + 22813079.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^1072213632 is an apocalyptic number.

1072213632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072213632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974067200).

1072213632 is an abundant number, since it is smaller than the sum of its proper divisors (2875920768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072213632 is a wasteful number, since it uses less digits than its factorization.

1072213632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1072213632 is about 32744.6733378118. The cubic root of 1072213632 is about 1023.5139701944.

The spelling of 1072213632 in words is "one billion, seventy-two million, two hundred thirteen thousand, six hundred thirty-two".