672634464 has 36 divisors (see below), whose sum is σ = 1766332764. Its totient is φ = 224126784.

The previous prime is 672634463. The next prime is 672634511. The reversal of 672634464 is 464436276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672634463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252789 + ... + 255435.

It is an arithmetic number, because the mean of its divisors is an integer number (49064799).

Almost surely, 2^672634464 is an apocalyptic number.

It is an amenable number.

672634464 is an abundant number, since it is smaller than the sum of its proper divisors (1093698300).

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

672634464 is an frugal number, since it uses more digits than its factorization.

672634464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307 (or 2652 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The square root of 672634464 is about 25935.1973965883. The cubic root of 672634464 is about 876.1794007167.

The spelling of 672634464 in words is "six hundred seventy-two million, six hundred thirty-four thousand, four hundred sixty-four".