73845980 has 24 divisors (see below), whose sum is σ = 167006112. Its totient is φ = 27266112.

The previous prime is 73845973. The next prime is 73845983. The reversal of 73845980 is 8954837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73845983) 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, 141752 + ... + 142271.

It is an arithmetic number, because the mean of its divisors is an integer number (6958588).

Almost surely, 2^73845980 is an apocalyptic number.

It is an amenable number.

73845980 is an abundant number, since it is smaller than the sum of its proper divisors (93160132).

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

73845980 is a wasteful number, since it uses less digits than its factorization.

73845980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284045 (or 284043 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 73845980 is about 8593.3683733446. The cubic root of 73845980 is about 419.5421692908.

The spelling of 73845980 in words is "seventy-three million, eight hundred forty-five thousand, nine hundred eighty".