672373632 has 128 divisors (see below), whose sum is σ = 2107238400. Its totient is φ = 185886720.

The previous prime is 672373619. The next prime is 672373673. The reversal of 672373632 is 236373276.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79294 + ... + 87362.

It is an arithmetic number, because the mean of its divisors is an integer number (16462800).

Almost surely, 2^672373632 is an apocalyptic number.

672373632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672373632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053619200).

672373632 is an abundant number, since it is smaller than the sum of its proper divisors (1434864768).

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

672373632 is a wasteful number, since it uses less digits than its factorization.

672373632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124 (or 8112 counting only the distinct ones).

The product of its digits is 190512, while the sum is 39.

The square root of 672373632 is about 25930.1683758513. The cubic root of 672373632 is about 876.0661320771.

The spelling of 672373632 in words is "six hundred seventy-two million, three hundred seventy-three thousand, six hundred thirty-two".