73500453 has 48 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 44276544.

The previous prime is 73500431. The next prime is 73500461. The reversal of 73500453 is 35400537.

It is a happy number.

It is not a de Polignac number, because 73500453 - 2²⁰ = 72451877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73500353) 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 47 ways as a sum of consecutive naturals, for example, 167208 + ... + 167646.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^73500453 is an apocalyptic number.

It is an amenable number.

73500453 is a deficient number, since it is larger than the sum of its proper divisors (47580507).

73500453 is a wasteful number, since it uses less digits than its factorization.

73500453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 73500453 is about 8573.2405191969. The cubic root of 73500453 is about 418.8867969786.

The spelling of 73500453 in words is "seventy-three million, five hundred thousand, four hundred fifty-three".