73311480 has 320 divisors, whose sum is σ = 286973280. Its totient is φ = 16727040.

The previous prime is 73311479. The next prime is 73311499. The reversal of 73311480 is 8411337.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 561 × 495 × 264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4312432 + ... + 4312448.

Almost surely, 2^73311480 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 73311480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143486640).

73311480 is an abundant number, since it is smaller than the sum of its proper divisors (213661800).

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

73311480 is a wasteful number, since it uses less digits than its factorization.

73311480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 73311480 is about 8562.2123309341. The cubic root of 73311480 is about 418.5274965554.

The spelling of 73311480 in words is "seventy-three million, three hundred eleven thousand, four hundred eighty".