672381542 has 32 divisors (see below), whose sum is σ = 1166880000. Its totient is φ = 284624928.

The previous prime is 672381529. The next prime is 672381571. The reversal of 672381542 is 245183276.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 672381496 and 672381505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761033 + ... + 761915.

It is an arithmetic number, because the mean of its divisors is an integer number (36465000).

Almost surely, 2^672381542 is an apocalyptic number.

672381542 is a deficient number, since it is larger than the sum of its proper divisors (494498458).

672381542 is a wasteful number, since it uses less digits than its factorization.

672381542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its digits is 80640, while the sum is 38.

The square root of 672381542 is about 25930.3209004439. The cubic root of 672381542 is about 876.0695674963.

The spelling of 672381542 in words is "six hundred seventy-two million, three hundred eighty-one thousand, five hundred forty-two".