672428776 has 16 divisors (see below), whose sum is σ = 1261209600. Its totient is φ = 336106224.

The previous prime is 672428773. The next prime is 672428789. The reversal of 672428776 is 677824276.

It is not an unprimeable number, because it can be changed into a prime (672428773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16935 + ... + 40393.

It is an arithmetic number, because the mean of its divisors is an integer number (78825600).

Almost surely, 2^672428776 is an apocalyptic number.

It is an amenable number.

672428776 is a deficient number, since it is larger than the sum of its proper divisors (588780824).

672428776 is a wasteful number, since it uses less digits than its factorization.

672428776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27048 (or 27044 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The square root of 672428776 is about 25931.2316714806. The cubic root of 672428776 is about 876.0900812961.

The spelling of 672428776 in words is "six hundred seventy-two million, four hundred twenty-eight thousand, seven hundred seventy-six".