73276580 has 24 divisors (see below), whose sum is σ = 165718392. Its totient is φ = 27055872.

The previous prime is 73276573. The next prime is 73276589. The reversal of 73276580 is 8567237.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 139876 + 73136704 = 374^2 + 8552^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73276589) 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, 140657 + ... + 141176.

It is an arithmetic number, because the mean of its divisors is an integer number (6904933).

Almost surely, 2^73276580 is an apocalyptic number.

It is an amenable number.

73276580 is an abundant number, since it is smaller than the sum of its proper divisors (92441812).

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

73276580 is a wasteful number, since it uses less digits than its factorization.

73276580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281855 (or 281853 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 73276580 is about 8560.1740636508. The cubic root of 73276580 is about 418.4610725425.

The spelling of 73276580 in words is "seventy-three million, two hundred seventy-six thousand, five hundred eighty".