73980960 has 48 divisors (see below), whose sum is σ = 233041536. Its totient is φ = 19728128.

The previous prime is 73980947. The next prime is 73980967. The reversal of 73980960 is 6908937.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (73980967) 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, 76584 + ... + 77543.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^73980960 is an apocalyptic number.

It is an amenable number.

73980960 is an abundant number, since it is smaller than the sum of its proper divisors (159060576).

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

73980960 is a wasteful number, since it uses less digits than its factorization.

73980960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154145 (or 154137 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 73980960 is about 8601.2185183263. The cubic root of 73980960 is about 419.7976349381.

The spelling of 73980960 in words is "seventy-three million, nine hundred eighty thousand, nine hundred sixty".