690690752 has 14 divisors (see below), whose sum is σ = 1370589588. Its totient is φ = 345345344.

The previous prime is 690690733. The next prime is 690690779. The reversal of 690690752 is 257096096.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5395958 + ... + 5396085.

Almost surely, 2^690690752 is an apocalyptic number.

It is an amenable number.

690690752 is a deficient number, since it is larger than the sum of its proper divisors (679898836).

690690752 is a wasteful number, since it uses less digits than its factorization.

690690752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10792055 (or 10792045 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 690690752 is about 26280.9960237431. The cubic root of 690690752 is about 883.9503667799.

The spelling of 690690752 in words is "six hundred ninety million, six hundred ninety thousand, seven hundred fifty-two".