73420680 has 32 divisors (see below), whose sum is σ = 220262400. Its totient is φ = 19578816.

The previous prime is 73420667. The next prime is 73420727. The reversal of 73420680 is 8602437.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 305800 + ... + 306039.

It is an arithmetic number, because the mean of its divisors is an integer number (6883200).

Almost surely, 2^73420680 is an apocalyptic number.

It is an amenable number.

73420680 is an abundant number, since it is smaller than the sum of its proper divisors (146841720).

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

73420680 is a wasteful number, since it uses less digits than its factorization.

73420680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611853 (or 611849 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 73420680 is about 8568.5868146387. The cubic root of 73420680 is about 418.7351972194.

The spelling of 73420680 in words is "seventy-three million, four hundred twenty thousand, six hundred eighty".