807907072 has 36 divisors (see below), whose sum is σ = 1843042096. Its totient is φ = 346245120.

The previous prime is 807907069. The next prime is 807907073. The reversal of 807907072 is 270709708.

It is a super-2 number, since 2×807907072² = 1305427673975226368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807907073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223629 + ... + 227212.

Almost surely, 2^807907072 is an apocalyptic number.

It is an amenable number.

807907072 is an abundant number, since it is smaller than the sum of its proper divisors (1035135024).

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

807907072 is an equidigital number, since it uses as much as digits as its factorization.

807907072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450864 (or 450850 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 807907072 is about 28423.7061622864. The cubic root of 807907072 is about 931.3661933783.

The spelling of 807907072 in words is "eight hundred seven million, nine hundred seven thousand, seventy-two".