672291032 has 32 divisors (see below), whose sum is σ = 1441689600. Its totient is φ = 287911584.

The previous prime is 672291031. The next prime is 672291049. The reversal of 672291032 is 230192276.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 672291032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672291031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89519 + ... + 96737.

It is an arithmetic number, because the mean of its divisors is an integer number (45052800).

Almost surely, 2^672291032 is an apocalyptic number.

It is an amenable number.

672291032 is an abundant number, since it is smaller than the sum of its proper divisors (769398568).

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

672291032 is a wasteful number, since it uses less digits than its factorization.

672291032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8895 (or 8891 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 672291032 is about 25928.5755875636. The cubic root of 672291032 is about 876.0302561779.

The spelling of 672291032 in words is "six hundred seventy-two million, two hundred ninety-one thousand, thirty-two".