73406580 has 48 divisors (see below), whose sum is σ = 221351424. Its totient is φ = 18069120.

The previous prime is 73406573. The next prime is 73406581. The reversal of 73406580 is 8560437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73406581) 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, 46276 + ... + 47835.

It is an arithmetic number, because the mean of its divisors is an integer number (4611488).

Almost surely, 2^73406580 is an apocalyptic number.

It is an amenable number.

73406580 is an abundant number, since it is smaller than the sum of its proper divisors (147944844).

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

73406580 is a wasteful number, since it uses less digits than its factorization.

73406580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94136 (or 94134 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 73406580 is about 8567.7640023521. The cubic root of 73406580 is about 418.7083903112.

The spelling of 73406580 in words is "seventy-three million, four hundred six thousand, five hundred eighty".