672672377 has 4 divisors (see below), whose sum is σ = 724416420. Its totient is φ = 620928336.

The previous prime is 672672361. The next prime is 672672401. The reversal of 672672377 is 773276276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 299255401 + 373416976 = 17299^2 + 19324^2 .

It is a cyclic number.

It is not a de Polignac number, because 672672377 - 2⁴ = 672672361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672672307) 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, 25872002 + ... + 25872027.

It is an arithmetic number, because the mean of its divisors is an integer number (181104105).

Almost surely, 2^672672377 is an apocalyptic number.

It is an amenable number.

672672377 is a deficient number, since it is larger than the sum of its proper divisors (51744043).

672672377 is a wasteful number, since it uses less digits than its factorization.

672672377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51744042.

The product of its digits is 1037232, while the sum is 47.

The square root of 672672377 is about 25935.9283041884. The cubic root of 672672377 is about 876.1958623400.

The spelling of 672672377 in words is "six hundred seventy-two million, six hundred seventy-two thousand, three hundred seventy-seven".