73900580 has 24 divisors (see below), whose sum is σ = 167129592. Its totient is φ = 27286272.

The previous prime is 73900579. The next prime is 73900597. The reversal of 73900580 is 8500937.

It can be written as a sum of positive squares in 4 ways, for example, as 16777216 + 57123364 = 4096^2 + 7558^2 .

It is a super-2 number, since 2×73900580² = 10922591448672800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141857 + ... + 142376.

It is an arithmetic number, because the mean of its divisors is an integer number (6963733).

Almost surely, 2^73900580 is an apocalyptic number.

It is an amenable number.

73900580 is an abundant number, since it is smaller than the sum of its proper divisors (93229012).

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

73900580 is a wasteful number, since it uses less digits than its factorization.

73900580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284255 (or 284253 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 73900580 is about 8596.5446546854. The cubic root of 73900580 is about 419.6455437246.

The spelling of 73900580 in words is "seventy-three million, nine hundred thousand, five hundred eighty".