73099960 has 32 divisors (see below), whose sum is σ = 167176800. Its totient is φ = 28759680.

The previous prime is 73099931. The next prime is 73099963. The reversal of 73099960 is 6999037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73099963) 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, 12540 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (5224275).

Almost surely, 2^73099960 is an apocalyptic number.

It is an amenable number.

73099960 is an abundant number, since it is smaller than the sum of its proper divisors (94076840).

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

73099960 is a wasteful number, since it uses less digits than its factorization.

73099960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30031 (or 30027 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 73099960 is about 8549.8514606980. The cubic root of 73099960 is about 418.1245937049.

The spelling of 73099960 in words is "seventy-three million, ninety-nine thousand, nine hundred sixty".