672587538 has 32 divisors (see below), whose sum is σ = 1538304000. Its totient is φ = 192047760.

The previous prime is 672587537. The next prime is 672587557. The reversal of 672587538 is 835785276.

It is a super-3 number, since 3×672587538³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672587537) 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, 79953 + ... + 87963.

It is an arithmetic number, because the mean of its divisors is an integer number (48072000).

Almost surely, 2^672587538 is an apocalyptic number.

672587538 is an abundant number, since it is smaller than the sum of its proper divisors (865716462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672587538 is a wasteful number, since it uses less digits than its factorization.

672587538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022.

The product of its digits is 2822400, while the sum is 51.

The square root of 672587538 is about 25934.2927029059. The cubic root of 672587538 is about 876.1590248400.

The spelling of 672587538 in words is "six hundred seventy-two million, five hundred eighty-seven thousand, five hundred thirty-eight".