73420080 has 40 divisors (see below), whose sum is σ = 227602992. Its totient is φ = 19578624.

The previous prime is 73420079. The next prime is 73420147. The reversal of 73420080 is 8002437.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 73420080.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152719 + ... + 153198.

Almost surely, 2^73420080 is an apocalyptic number.

It is an amenable number.

73420080 is an abundant number, since it is smaller than the sum of its proper divisors (154182912).

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

73420080 is a wasteful number, since it uses less digits than its factorization.

73420080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305933 (or 305927 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 73420080 is about 8568.5518029595. The cubic root of 73420080 is about 418.7340565698.

The spelling of 73420080 in words is "seventy-three million, four hundred twenty thousand, eighty".