1072072500 has 120 divisors (see below), whose sum is σ = 3144793344. Its totient is φ = 284160000.

The previous prime is 1072072451. The next prime is 1072072531. The reversal of 1072072500 is 52702701.

It is a super-2 number, since 2×1072072500² = 2298678890512500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1672180 + ... + 1672820.

Almost surely, 2^1072072500 is an apocalyptic number.

1072072500 is a gapful number since it is divisible by the number (10) 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 1072072500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572396672).

1072072500 is an abundant number, since it is smaller than the sum of its proper divisors (2072720844).

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

1072072500 is a wasteful number, since it uses less digits than its factorization.

1072072500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 1072072500 is about 32742.5182293604. The cubic root of 1072072500 is about 1023.4690609501.

The spelling of 1072072500 in words is "one billion, seventy-two million, seventy-two thousand, five hundred".