73531364 has 6 divisors (see below), whose sum is σ = 128679894. Its totient is φ = 36765680.

The previous prime is 73531357. The next prime is 73531369. The reversal of 73531364 is 46313537.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 5798464 = 8230^2 + 2408^2 .

It is a super-2 number, since 2×73531364² = 10813722983400992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73531364.

It is not an unprimeable number, because it can be changed into a prime (73531369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9191417 + ... + 9191424.

It is an arithmetic number, because the mean of its divisors is an integer number (21446649).

Almost surely, 2^73531364 is an apocalyptic number.

It is an amenable number.

73531364 is a deficient number, since it is larger than the sum of its proper divisors (55148530).

73531364 is a wasteful number, since it uses less digits than its factorization.

73531364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382845 (or 18382843 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 73531364 is about 8575.0430902707. The cubic root of 73531364 is about 418.9455104265.

The spelling of 73531364 in words is "seventy-three million, five hundred thirty-one thousand, three hundred sixty-four".