672655474 has 4 divisors (see below), whose sum is σ = 1008983214. Its totient is φ = 336327736.

The previous prime is 672655469. The next prime is 672655547. The reversal of 672655474 is 474556276.

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

It can be written as a sum of positive squares in only one way, i.e., 619263225 + 53392249 = 24885^2 + 7307^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168163867 + ... + 168163870.

Almost surely, 2^672655474 is an apocalyptic number.

672655474 is a deficient number, since it is larger than the sum of its proper divisors (336327740).

672655474 is a wasteful number, since it uses less digits than its factorization.

672655474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336327739.

The product of its digits is 1411200, while the sum is 46.

The square root of 672655474 is about 25935.6024414317. The cubic root of 672655474 is about 876.1885232235.

The spelling of 672655474 in words is "six hundred seventy-two million, six hundred fifty-five thousand, four hundred seventy-four".