1072894704 has 80 divisors (see below), whose sum is σ = 3221341440. Its totient is φ = 301340160.

The previous prime is 1072894687. The next prime is 1072894723. The reversal of 1072894704 is 4074982701.

It is a happy number.

It is a super-2 number, since 2×1072894704² = 2302206091742495232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7237 + ... + 46884.

It is an arithmetic number, because the mean of its divisors is an integer number (40266768).

Almost surely, 2^1072894704 is an apocalyptic number.

1072894704 is a gapful number since it is divisible by the number (14) 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 1072894704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610670720).

1072894704 is an abundant number, since it is smaller than the sum of its proper divisors (2148446736).

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

1072894704 is a wasteful number, since it uses less digits than its factorization.

1072894704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54198 (or 54192 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1072894704 is about 32755.0714241322. The cubic root of 1072894704 is about 1023.7306369547.

The spelling of 1072894704 in words is "one billion, seventy-two million, eight hundred ninety-four thousand, seven hundred four".