73151664 has 40 divisors (see below), whose sum is σ = 194087280. Its totient is φ = 23724288.

The previous prime is 73151657. The next prime is 73151671. The reversal of 73151664 is 46615137.

It is an interprime number because it is at equal distance from previous prime (73151657) and next prime (73151671).

It is an unprimeable number.

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, 18819 + ... + 22370.

It is an arithmetic number, because the mean of its divisors is an integer number (4852182).

Almost surely, 2^73151664 is an apocalyptic number.

73151664 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

73151664 is an abundant number, since it is smaller than the sum of its proper divisors (120935616).

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

73151664 is a wasteful number, since it uses less digits than its factorization.

73151664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41237 (or 41231 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 73151664 is about 8552.8746044824. The cubic root of 73151664 is about 418.2231510729.

The spelling of 73151664 in words is "seventy-three million, one hundred fifty-one thousand, six hundred sixty-four".