672109974 has 40 divisors (see below), whose sum is σ = 1557966960. Its totient is φ = 216309744.

The previous prime is 672109973. The next prime is 672110059. The reversal of 672109974 is 479901276.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672109973) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66834 + ... + 76229.

It is an arithmetic number, because the mean of its divisors is an integer number (38949174).

Almost surely, 2^672109974 is an apocalyptic number.

672109974 is an abundant number, since it is smaller than the sum of its proper divisors (885856986).

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

672109974 is a wasteful number, since it uses less digits than its factorization.

672109974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143106 (or 143097 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 672109974 is about 25925.0838764313. The cubic root of 672109974 is about 875.9516064465.

The spelling of 672109974 in words is "six hundred seventy-two million, one hundred nine thousand, nine hundred seventy-four".