707540864 has 16 divisors (see below), whose sum is σ = 1409554320. Its totient is φ = 353770368.

The previous prime is 707540863. The next prime is 707540917. The reversal of 707540864 is 468045707.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×707540864² = 1001228148459732992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707540863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763704 + ... + 2763959.

It is an arithmetic number, because the mean of its divisors is an integer number (88097145).

Almost surely, 2^707540864 is an apocalyptic number.

It is an amenable number.

707540864 is a deficient number, since it is larger than the sum of its proper divisors (702013456).

707540864 is an equidigital number, since it uses as much as digits as its factorization.

707540864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527677 (or 5527665 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 707540864 is about 26599.6402983198. The cubic root of 707540864 is about 891.0809842066.

The spelling of 707540864 in words is "seven hundred seven million, five hundred forty thousand, eight hundred sixty-four".