699640752 has 20 divisors (see below), whose sum is σ = 1807405400. Its totient is φ = 233213568.

The previous prime is 699640751. The next prime is 699640771. The reversal of 699640752 is 257046996.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 14575849 = 699640752 / (6 + 9 + 9 + 6 + 4 + 0 + 7 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (699640751) 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, 7287877 + ... + 7287972.

It is an arithmetic number, because the mean of its divisors is an integer number (90370270).

Almost surely, 2^699640752 is an apocalyptic number.

It is an amenable number.

699640752 is an abundant number, since it is smaller than the sum of its proper divisors (1107764648).

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

699640752 is a wasteful number, since it uses less digits than its factorization.

699640752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575860 (or 14575854 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 699640752 is about 26450.7230903051. The cubic root of 699640752 is about 887.7520815902.

The spelling of 699640752 in words is "six hundred ninety-nine million, six hundred forty thousand, seven hundred fifty-two".