672636042632 has 32 divisors (see below), whose sum is σ = 1270960036920. Its totient is φ = 333715537920.

The previous prime is 672636042623. The next prime is 672636042643. The reversal of 672636042632 is 236240636276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 530586955396 + 142049087236 = 728414^2 + 376894^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365448 + ... + 2634504.

Almost surely, 2^672636042632 is an apocalyptic number.

It is an amenable number.

672636042632 is a deficient number, since it is larger than the sum of its proper divisors (598323994288).

672636042632 is a wasteful number, since it uses less digits than its factorization.

672636042632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271481 (or 271477 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 47.

The spelling of 672636042632 in words is "six hundred seventy-two billion, six hundred thirty-six million, forty-two thousand, six hundred thirty-two".