73372638 has 16 divisors (see below), whose sum is σ = 148936320. Its totient is φ = 24092376.

The previous prime is 73372633. The next prime is 73372669. The reversal of 73372638 is 83627337.

It is a junction number, because it is equal to n+sod(n) for n = 73372596 and 73372605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73372631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90858 + ... + 91661.

It is an arithmetic number, because the mean of its divisors is an integer number (9308520).

Almost surely, 2^73372638 is an apocalyptic number.

73372638 is an abundant number, since it is smaller than the sum of its proper divisors (75563682).

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

73372638 is a wasteful number, since it uses less digits than its factorization.

73372638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182591.

The product of its digits is 127008, while the sum is 39.

The square root of 73372638 is about 8565.7829764710. The cubic root of 73372638 is about 418.6438457287.

The spelling of 73372638 in words is "seventy-three million, three hundred seventy-two thousand, six hundred thirty-eight".