73672138 has 8 divisors (see below), whose sum is σ = 111087360. Its totient is φ = 36643020.

The previous prime is 73672129. The next prime is 73672141. The reversal of 73672138 is 83127637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 73672097 and 73672106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96048 + ... + 96811.

It is an arithmetic number, because the mean of its divisors is an integer number (13885920).

Almost surely, 2^73672138 is an apocalyptic number.

73672138 is a deficient number, since it is larger than the sum of its proper divisors (37415222).

73672138 is a wasteful number, since it uses less digits than its factorization.

73672138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193052.

The product of its digits is 42336, while the sum is 37.

The square root of 73672138 is about 8583.2475206066. The cubic root of 73672138 is about 419.2126936421.

The spelling of 73672138 in words is "seventy-three million, six hundred seventy-two thousand, one hundred thirty-eight".