73382520 has 64 divisors (see below), whose sum is σ = 223189920. Its totient is φ = 19298304.

The previous prime is 73382513. The next prime is 73382521. The reversal of 73382520 is 2528337.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73382521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4572 + ... + 12948.

Almost surely, 2^73382520 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 73382520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111594960).

73382520 is an abundant number, since it is smaller than the sum of its proper divisors (149807400).

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

73382520 is a wasteful number, since it uses less digits than its factorization.

73382520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464 (or 8460 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 73382520 is about 8566.3597869807. The cubic root of 73382520 is about 418.6626395319.

The spelling of 73382520 in words is "seventy-three million, three hundred eighty-two thousand, five hundred twenty".