73152816 has 40 divisors (see below), whose sum is σ = 206159424. Its totient is φ = 22167360.

The previous prime is 73152803. The next prime is 73152817. The reversal of 73152816 is 61825137.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (73152817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68746 + ... + 69801.

Almost surely, 2^73152816 is an apocalyptic number.

It is an amenable number.

73152816 is an abundant number, since it is smaller than the sum of its proper divisors (133006608).

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

73152816 is a wasteful number, since it uses less digits than its factorization.

73152816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138569 (or 138563 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 73152816 is about 8552.9419499959. The cubic root of 73152816 is about 418.2253464686.

The spelling of 73152816 in words is "seventy-three million, one hundred fifty-two thousand, eight hundred sixteen".