672112077 has 24 divisors (see below), whose sum is σ = 1122651936. Its totient is φ = 354519648.

The previous prime is 672112043. The next prime is 672112087. The reversal of 672112077 is 770211276.

It is a happy number.

It is not a de Polignac number, because 672112077 - 2¹⁰ = 672111053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672112037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173943 + ... + 177764.

It is an arithmetic number, because the mean of its divisors is an integer number (46777164).

Almost surely, 2^672112077 is an apocalyptic number.

It is an amenable number.

672112077 is a deficient number, since it is larger than the sum of its proper divisors (450539859).

672112077 is a wasteful number, since it uses less digits than its factorization.

672112077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351737 (or 351730 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 672112077 is about 25925.1244355741. The cubic root of 672112077 is about 875.9525200491.

The spelling of 672112077 in words is "six hundred seventy-two million, one hundred twelve thousand, seventy-seven".