73101980 has 24 divisors (see below), whose sum is σ = 175445088. Its totient is φ = 25063488.

The previous prime is 73101961. The next prime is 73101983. The reversal of 73101980 is 8910137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73101983) 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, 260939 + ... + 261218.

It is an arithmetic number, because the mean of its divisors is an integer number (7310212).

Almost surely, 2^73101980 is an apocalyptic number.

73101980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73101980 is an abundant number, since it is smaller than the sum of its proper divisors (102343108).

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

73101980 is a wasteful number, since it uses less digits than its factorization.

73101980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522173 (or 522171 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 73101980 is about 8549.9695905892. The cubic root of 73101980 is about 418.1284450700.

The spelling of 73101980 in words is "seventy-three million, one hundred one thousand, nine hundred eighty".