672660771504032 has 12 divisors (see below), whose sum is σ = 1324300893898626. Its totient is φ = 336330385752000.

The previous prime is 672660771504031. The next prime is 672660771504077. The reversal of 672660771504032 is 230405177066276.

It can be written as a sum of positive squares in only one way, i.e., 554241019320976 + 118419752183056 = 23542324^2 + 10882084^2 .

It is a super-2 number, since 2×672660771504032² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672660771504031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510324554719 + ... + 10510324554782.

Almost surely, 2^{672660771504032} is an apocalyptic number.

It is an amenable number.

672660771504032 is a deficient number, since it is larger than the sum of its proper divisors (651640122394594).

672660771504032 is a wasteful number, since it uses less digits than its factorization.

672660771504032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020649109511 (or 21020649109503 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 56.

The spelling of 672660771504032 in words is "six hundred seventy-two trillion, six hundred sixty billion, seven hundred seventy-one million, five hundred four thousand, thirty-two".