73540216 has 16 divisors (see below), whose sum is σ = 138106440. Its totient is φ = 36711840.

The previous prime is 73540193. The next prime is 73540217. The reversal of 73540216 is 61204537.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73540217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 12241.

Almost surely, 2^73540216 is an apocalyptic number.

It is an amenable number.

73540216 is a deficient number, since it is larger than the sum of its proper divisors (64566224).

73540216 is a wasteful number, since it uses less digits than its factorization.

73540216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 73540216 is about 8575.5592237475. The cubic root of 73540216 is about 418.9623211980.

The spelling of 73540216 in words is "seventy-three million, five hundred forty thousand, two hundred sixteen".