672625055 has 4 divisors (see below), whose sum is σ = 807150072. Its totient is φ = 538100040.

The previous prime is 672625021. The next prime is 672625069. The reversal of 672625055 is 550526276.

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

It is not a de Polignac number, because 672625055 - 2⁶ = 672624991 is a prime.

It is a super-2 number, since 2×672625055² = 904848929227506050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67262501 + ... + 67262510.

It is an arithmetic number, because the mean of its divisors is an integer number (201787518).

Almost surely, 2^672625055 is an apocalyptic number.

672625055 is a deficient number, since it is larger than the sum of its proper divisors (134525017).

672625055 is a wasteful number, since it uses less digits than its factorization.

672625055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134525016.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 672625055 is about 25935.0160015374. The cubic root of 672625055 is about 876.1753152830.

The spelling of 672625055 in words is "six hundred seventy-two million, six hundred twenty-five thousand, fifty-five".