672541331 has 16 divisors (see below), whose sum is σ = 846339840. Its totient is φ = 519154080.

The previous prime is 672541313. The next prime is 672541339. The reversal of 672541331 is 133145276.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672541331 is a prime.

It is a super-2 number, since 2×672541331² = 904623683806503122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672541339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32576 + ... + 49053.

It is an arithmetic number, because the mean of its divisors is an integer number (52896240).

Almost surely, 2^672541331 is an apocalyptic number.

672541331 is a deficient number, since it is larger than the sum of its proper divisors (173798509).

672541331 is a wasteful number, since it uses less digits than its factorization.

672541331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81754.

The product of its digits is 15120, while the sum is 32.

The square root of 672541331 is about 25933.4018400980. The cubic root of 672541331 is about 876.1389602363.

The spelling of 672541331 in words is "six hundred seventy-two million, five hundred forty-one thousand, three hundred thirty-one".