692640672 has 24 divisors (see below), whose sum is σ = 1818182016. Its totient is φ = 230880192.

The previous prime is 692640671. The next prime is 692640709. The reversal of 692640672 is 276046296.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×692640672³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (692640671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607408 + ... + 3607599.

It is an arithmetic number, because the mean of its divisors is an integer number (75757584).

Almost surely, 2^692640672 is an apocalyptic number.

It is an amenable number.

692640672 is an abundant number, since it is smaller than the sum of its proper divisors (1125541344).

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

692640672 is a wasteful number, since it uses less digits than its factorization.

692640672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215020 (or 7215012 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 692640672 is about 26318.0674062515. The cubic root of 692640672 is about 884.7814251622.

The spelling of 692640672 in words is "six hundred ninety-two million, six hundred forty thousand, six hundred seventy-two".