73511472 has 40 divisors (see below), whose sum is σ = 191599344. Its totient is φ = 24285184.

The previous prime is 73511441. The next prime is 73511479. The reversal of 73511472 is 27411537.

It is not an unprimeable number, because it can be changed into a prime (73511479) 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, 1353 + ... + 12200.

Almost surely, 2^73511472 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 73511472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95799672).

73511472 is an abundant number, since it is smaller than the sum of its proper divisors (118087872).

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

73511472 is a wasteful number, since it uses less digits than its factorization.

73511472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677 (or 13671 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 73511472 is about 8573.8831342630. The cubic root of 73511472 is about 418.9077287452.

The spelling of 73511472 in words is "seventy-three million, five hundred eleven thousand, four hundred seventy-two".