672487178 has 16 divisors (see below), whose sum is σ = 1158351840. Its totient is φ = 289587600.

The previous prime is 672487111. The next prime is 672487181. The reversal of 672487178 is 871784276.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803993 + ... + 804828.

It is an arithmetic number, because the mean of its divisors is an integer number (72396990).

Almost surely, 2^672487178 is an apocalyptic number.

672487178 is a deficient number, since it is larger than the sum of its proper divisors (485864662).

672487178 is a wasteful number, since it uses less digits than its factorization.

672487178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608853.

The product of its digits is 1053696, while the sum is 50.

The square root of 672487178 is about 25932.3577408611. The cubic root of 672487178 is about 876.1154440475.

The spelling of 672487178 in words is "six hundred seventy-two million, four hundred eighty-seven thousand, one hundred seventy-eight".