73479580 has 12 divisors (see below), whose sum is σ = 154307160. Its totient is φ = 29391824.

The previous prime is 73479577. The next prime is 73479589. The reversal of 73479580 is 8597437.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73479589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836970 + ... + 1837009.

It is an arithmetic number, because the mean of its divisors is an integer number (12858930).

Almost surely, 2^73479580 is an apocalyptic number.

It is an amenable number.

73479580 is an abundant number, since it is smaller than the sum of its proper divisors (80827580).

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

73479580 is a wasteful number, since it uses less digits than its factorization.

73479580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673988 (or 3673986 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 73479580 is about 8572.0230984290. The cubic root of 73479580 is about 418.8471407518.

The spelling of 73479580 in words is "seventy-three million, four hundred seventy-nine thousand, five hundred eighty".