72632842 has 4 divisors (see below), whose sum is σ = 108949266. Its totient is φ = 36316420.

The previous prime is 72632831. The next prime is 72632863. The reversal of 72632842 is 24823627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 31685641 = 6399^2 + 5629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72632798 and 72632807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18158209 + ... + 18158212.

Almost surely, 2^72632842 is an apocalyptic number.

72632842 is a deficient number, since it is larger than the sum of its proper divisors (36316424).

72632842 is a wasteful number, since it uses less digits than its factorization.

72632842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36316423.

The product of its digits is 32256, while the sum is 34.

The square root of 72632842 is about 8522.4903637376. The cubic root of 72632842 is about 417.2320668451.

The spelling of 72632842 in words is "seventy-two million, six hundred thirty-two thousand, eight hundred forty-two".