672526452 has 48 divisors (see below), whose sum is σ = 1691856320. Its totient is φ = 206696448.

The previous prime is 672526441. The next prime is 672526523. The reversal of 672526452 is 254625276.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 672526452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177999 + ... + 181737.

Almost surely, 2^672526452 is an apocalyptic number.

It is an amenable number.

672526452 is an abundant number, since it is smaller than the sum of its proper divisors (1019329868).

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

672526452 is a wasteful number, since it uses less digits than its factorization.

672526452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912 (or 4910 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 672526452 is about 25933.1149690892. The cubic root of 672526452 is about 876.1324990880.

The spelling of 672526452 in words is "six hundred seventy-two million, five hundred twenty-six thousand, four hundred fifty-two".