73077280 has 48 divisors (see below), whose sum is σ = 173202624. Its totient is φ = 29136640.

The previous prime is 73077229. The next prime is 73077289. The reversal of 73077280 is 8277037.

It is not an unprimeable number, because it can be changed into a prime (73077289) 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, 70365 + ... + 71395.

It is an arithmetic number, because the mean of its divisors is an integer number (3608388).

Almost surely, 2^73077280 is an apocalyptic number.

It is an amenable number.

73077280 is an abundant number, since it is smaller than the sum of its proper divisors (100125344).

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

73077280 is a wasteful number, since it uses less digits than its factorization.

73077280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 73077280 is about 8548.5250189726. The cubic root of 73077280 is about 418.0813467743.

The spelling of 73077280 in words is "seventy-three million, seventy-seven thousand, two hundred eighty".