672640277038 has 4 divisors (see below), whose sum is σ = 1008960415560. Its totient is φ = 336320138518.

The previous prime is 672640277011. The next prime is 672640277041. The reversal of 672640277038 is 830772046276.

672640277038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168160069258 + ... + 168160069261.

It is an arithmetic number, because the mean of its divisors is an integer number (252240103890).

Almost surely, 2^672640277038 is an apocalyptic number.

672640277038 is a deficient number, since it is larger than the sum of its proper divisors (336320138522).

672640277038 is a wasteful number, since it uses less digits than its factorization.

672640277038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336320138521.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 672640277038 in words is "six hundred seventy-two billion, six hundred forty million, two hundred seventy-seven thousand, thirty-eight".