72632408 has 8 divisors (see below), whose sum is σ = 136185780. Its totient is φ = 36316200.

The previous prime is 72632401. The next prime is 72632423. The reversal of 72632408 is 80423627.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72632401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4539518 + ... + 4539533.

Almost surely, 2^72632408 is an apocalyptic number.

It is an amenable number.

72632408 is a deficient number, since it is larger than the sum of its proper divisors (63553372).

72632408 is a wasteful number, since it uses less digits than its factorization.

72632408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079057 (or 9079053 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 72632408 is about 8522.4649016584. The cubic root of 72632408 is about 417.2312358203.

The spelling of 72632408 in words is "seventy-two million, six hundred thirty-two thousand, four hundred eight".