672764340132 has 36 divisors (see below), whose sum is σ = 1774537826880. Its totient is φ = 214504571952.

The previous prime is 672764340091. The next prime is 672764340191. The reversal of 672764340132 is 231043467276.

672764340132 is a `hidden beast` number, since 6 + 7 + 276 + 4 + 340 + 1 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×672764340132² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406257832 + ... + 406259487.

Almost surely, 2^672764340132 is an apocalyptic number.

It is an amenable number.

672764340132 is an abundant number, since it is smaller than the sum of its proper divisors (1101773486748).

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

672764340132 is a wasteful number, since it uses less digits than its factorization.

672764340132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812517352 (or 812517347 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 672764340132 in words is "six hundred seventy-two billion, seven hundred sixty-four million, three hundred forty thousand, one hundred thirty-two".