73417472 has 72 divisors (see below), whose sum is σ = 157518816. Its totient is φ = 34062336.

The previous prime is 73417471. The next prime is 73417489. The reversal of 73417472 is 27471437.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73417471) 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, 217688 + ... + 218024.

Almost surely, 2^73417472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73417472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78759408).

73417472 is an abundant number, since it is smaller than the sum of its proper divisors (84101344).

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

73417472 is a wasteful number, since it uses less digits than its factorization.

73417472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 399 counting only the distinct ones).

The product of its digits is 32928, while the sum is 35.

The square root of 73417472 is about 8568.3996171981. The cubic root of 73417472 is about 418.7290984741.

The spelling of 73417472 in words is "seventy-three million, four hundred seventeen thousand, four hundred seventy-two".