672038577 has 54 divisors (see below), whose sum is σ = 1199766438. Its totient is φ = 361363968.

The previous prime is 672038573. The next prime is 672038579. The reversal of 672038577 is 775830276.

672038577 is a `hidden beast` number, since 6 + 72 + 0 + 3 + 8 + 577 = 666.

672038577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 268992801 + 403045776 = 16401^2 + 20076^2 .

It is not a de Polignac number, because 672038577 - 2² = 672038573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672038573) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 124813 + ... + 130085.

It is an arithmetic number, because the mean of its divisors is an integer number (22217897).

Almost surely, 2^672038577 is an apocalyptic number.

It is an amenable number.

672038577 is a deficient number, since it is larger than the sum of its proper divisors (527727861).

672038577 is a wasteful number, since it uses less digits than its factorization.

672038577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327 (or 5300 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 672038577 is about 25923.7068529946. The cubic root of 672038577 is about 875.9205884416.

The spelling of 672038577 in words is "six hundred seventy-two million, thirty-eight thousand, five hundred seventy-seven".