672751064 has 32 divisors (see below), whose sum is σ = 1353924720. Its totient is φ = 312247296.

The previous prime is 672751061. The next prime is 672751067. The reversal of 672751064 is 460157276.

It is an interprime number because it is at equal distance from previous prime (672751061) and next prime (672751067).

It is a super-2 number, since 2×672751064² = 905187988226264192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672751061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23954 + ... + 43809.

Almost surely, 2^672751064 is an apocalyptic number.

It is an amenable number.

672751064 is an abundant number, since it is smaller than the sum of its proper divisors (681173656).

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

672751064 is a wasteful number, since it uses less digits than its factorization.

672751064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67859 (or 67855 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 672751064 is about 25937.4452095807. The cubic root of 672751064 is about 876.2300258436.

The spelling of 672751064 in words is "six hundred seventy-two million, seven hundred fifty-one thousand, sixty-four".