672855936 has 32 divisors (see below), whose sum is σ = 1787274600. Its totient is φ = 224285184.

The previous prime is 672855929. The next prime is 672855943. The reversal of 672855936 is 639558276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (672855929) and next prime (672855943).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×672855936² = 905470221220872192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 875731 + ... + 876498.

Almost surely, 2^672855936 is an apocalyptic number.

It is an amenable number.

672855936 is an abundant number, since it is smaller than the sum of its proper divisors (1114418664).

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

672855936 is a wasteful number, since it uses less digits than its factorization.

672855936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752246 (or 1752234 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 672855936 is about 25939.4667639873. The cubic root of 672855936 is about 876.2755539375.

The spelling of 672855936 in words is "six hundred seventy-two million, eight hundred fifty-five thousand, nine hundred thirty-six".