673431528 has 64 divisors (see below), whose sum is σ = 2099013120. Its totient is φ = 174916800.

The previous prime is 673431527. The next prime is 673431553. The reversal of 673431528 is 825134376.

It is not an unprimeable number, because it can be changed into a prime (673431527) 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, 180358 + ... + 184053.

It is an arithmetic number, because the mean of its divisors is an integer number (32797080).

Almost surely, 2^673431528 is an apocalyptic number.

It is an amenable number.

673431528 is an abundant number, since it is smaller than the sum of its proper divisors (1425581592).

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

673431528 is a wasteful number, since it uses less digits than its factorization.

673431528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364438 (or 364434 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 673431528 is about 25950.5593003311. The cubic root of 673431528 is about 876.5253515626.

The spelling of 673431528 in words is "six hundred seventy-three million, four hundred thirty-one thousand, five hundred twenty-eight".