672542532 has 36 divisors (see below), whose sum is σ = 1739577840. Its totient is φ = 218966832.

The previous prime is 672542501. The next prime is 672542573. The reversal of 672542532 is 235245276.

672542532 is a `hidden beast` number, since 6 + 72 + 54 + 2 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215682 + ... + 218777.

Almost surely, 2^672542532 is an apocalyptic number.

It is an amenable number.

672542532 is an abundant number, since it is smaller than the sum of its proper divisors (1067035308).

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

672542532 is a wasteful number, since it uses less digits than its factorization.

672542532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434512 (or 434507 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 672542532 is about 25933.4249955535. The cubic root of 672542532 is about 876.1394817617.

The spelling of 672542532 in words is "six hundred seventy-two million, five hundred forty-two thousand, five hundred thirty-two".