672394753 has 8 divisors (see below), whose sum is σ = 675563688. Its totient is φ = 669233664.

The previous prime is 672394721. The next prime is 672394759. The reversal of 672394753 is 357493276.

It can be written as a sum of positive squares in 4 ways, for example, as 201157489 + 471237264 = 14183^2 + 21708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672394753 - 2⁵ = 672394721 is a prime.

It is a super-2 number, since 2×672394753² = 904229407723862018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672394759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229051 + ... + 231967.

It is an arithmetic number, because the mean of its divisors is an integer number (84445461).

Almost surely, 2^672394753 is an apocalyptic number.

It is an amenable number.

672394753 is a deficient number, since it is larger than the sum of its proper divisors (3168935).

672394753 is a wasteful number, since it uses less digits than its factorization.

672394753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923.

The product of its digits is 952560, while the sum is 46.

The square root of 672394753 is about 25930.5756395804. The cubic root of 672394753 is about 876.0753051509.

The spelling of 672394753 in words is "six hundred seventy-two million, three hundred ninety-four thousand, seven hundred fifty-three".