73838532320 has 48 divisors (see below), whose sum is σ = 199364040288. Its totient is φ = 25316067840.

The previous prime is 73838532319. The next prime is 73838532329. The reversal of 73838532320 is 2323583837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73838532329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32962511 + ... + 32964750.

It is an arithmetic number, because the mean of its divisors is an integer number (4153417506).

Almost surely, 2^73838532320 is an apocalyptic number.

73838532320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73838532320 is an abundant number, since it is smaller than the sum of its proper divisors (125525507968).

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

73838532320 is a wasteful number, since it uses less digits than its factorization.

73838532320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65927283 (or 65927275 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 73838532320 in words is "seventy-three billion, eight hundred thirty-eight million, five hundred thirty-two thousand, three hundred twenty".