672476240 has 40 divisors (see below), whose sum is σ = 1565344008. Its totient is φ = 268674560.

The previous prime is 672476237. The next prime is 672476249. The reversal of 672476240 is 42674276.

It can be written as a sum of positive squares in 4 ways, for example, as 42667024 + 629809216 = 6532^2 + 25096^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 672476194 and 672476203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672476249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70814 + ... + 79746.

Almost surely, 2^672476240 is an apocalyptic number.

It is an amenable number.

672476240 is an abundant number, since it is smaller than the sum of its proper divisors (892867768).

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

672476240 is a wasteful number, since it uses less digits than its factorization.

672476240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887 (or 9881 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 672476240 is about 25932.1468451804. The cubic root of 672476240 is about 876.1106940176.

The spelling of 672476240 in words is "six hundred seventy-two million, four hundred seventy-six thousand, two hundred forty".