672901751 has 4 divisors (see below), whose sum is σ = 674146104. Its totient is φ = 671657400.

The previous prime is 672901741. The next prime is 672901759. The reversal of 672901751 is 157109276.

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

It is a cyclic number.

It is not a de Polignac number, because 672901751 - 2⁶ = 672901687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672901759) 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, 621365 + ... + 622446.

It is an arithmetic number, because the mean of its divisors is an integer number (168536526).

Almost surely, 2^672901751 is an apocalyptic number.

672901751 is a deficient number, since it is larger than the sum of its proper divisors (1244353).

672901751 is a wasteful number, since it uses less digits than its factorization.

672901751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244352.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 672901751 is about 25940.3498627139. The cubic root of 672901751 is about 876.2954421242.

The spelling of 672901751 in words is "six hundred seventy-two million, nine hundred one thousand, seven hundred fifty-one".