73370780 has 48 divisors (see below), whose sum is σ = 185364480. Its totient is φ = 23830848.

The previous prime is 73370779. The next prime is 73370789. The reversal of 73370780 is 8707337.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 73370780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73370789) 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, 11132 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (3861760).

Almost surely, 2^73370780 is an apocalyptic number.

73370780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73370780 is an abundant number, since it is smaller than the sum of its proper divisors (111993700).

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

73370780 is a wasteful number, since it uses less digits than its factorization.

73370780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27618 (or 27616 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 73370780 is about 8565.6745210170. The cubic root of 73370780 is about 418.6403119553.

The spelling of 73370780 in words is "seventy-three million, three hundred seventy thousand, seven hundred eighty".