672468633 has 12 divisors (see below), whose sum is σ = 980256420. Its totient is φ = 444198816.

The previous prime is 672468583. The next prime is 672468661. The reversal of 672468633 is 336864276.

672468633 is a `hidden beast` number, since 6 + 7 + 2 + 4 + 6 + 8 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 468635904 + 203832729 = 21648^2 + 14277^2 .

It is not a de Polignac number, because 672468633 - 2¹⁸ = 672206489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672463633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341766 + ... + 343727.

It is an arithmetic number, because the mean of its divisors is an integer number (81688035).

Almost surely, 2^672468633 is an apocalyptic number.

It is an amenable number.

672468633 is a deficient number, since it is larger than the sum of its proper divisors (307787787).

672468633 is a wasteful number, since it uses less digits than its factorization.

672468633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685608 (or 685605 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 672468633 is about 25932.0001735308. Note that the first 3 decimals coincide. The cubic root of 672468633 is about 876.1073905060.

It can be divided in two parts, 6724 and 68633, that added together give a palindrome (75357).

The spelling of 672468633 in words is "six hundred seventy-two million, four hundred sixty-eight thousand, six hundred thirty-three".