672098004 has 18 divisors (see below), whose sum is σ = 1698914490. Its totient is φ = 224032656.

The previous prime is 672097967. The next prime is 672098029. The reversal of 672098004 is 400890276.

It can be written as a sum of positive squares in only one way, i.e., 445294404 + 226803600 = 21102^2 + 15060^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18669389 = 672098004 / (6 + 7 + 2 + 0 + 9 + 8 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 672098004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9334659 + ... + 9334730.

Almost surely, 2^672098004 is an apocalyptic number.

It is an amenable number.

672098004 is an abundant number, since it is smaller than the sum of its proper divisors (1026816486).

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

672098004 is a wasteful number, since it uses less digits than its factorization.

672098004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18669399 (or 18669394 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 672098004 is about 25924.8530179054. The cubic root of 672098004 is about 875.9464063040.

The spelling of 672098004 in words is "six hundred seventy-two million, ninety-eight thousand, four".