73700538 has 16 divisors (see below), whose sum is σ = 150829536. Its totient is φ = 23995440.

The previous prime is 73700537. The next prime is 73700551. The reversal of 73700538 is 83500737.

It is a junction number, because it is equal to n+sod(n) for n = 73700499 and 73700508.

It is not an unprimeable number, because it can be changed into a prime (73700537) 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, 142573 + ... + 143088.

It is an arithmetic number, because the mean of its divisors is an integer number (9426846).

Almost surely, 2^73700538 is an apocalyptic number.

73700538 is an abundant number, since it is smaller than the sum of its proper divisors (77128998).

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

73700538 is a wasteful number, since it uses less digits than its factorization.

73700538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285709.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 73700538 is about 8584.9017466713. The cubic root of 73700538 is about 419.2665543973.

The spelling of 73700538 in words is "seventy-three million, seven hundred thousand, five hundred thirty-eight".