73487453 has 20 divisors (see below), whose sum is σ = 83169408. Its totient is φ = 64855440.

The previous prime is 73487443. The next prime is 73487467. The reversal of 73487453 is 35478437.

It is not a de Polignac number, because 73487453 - 2⁴ = 73487437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73487453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73487423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 885350 + ... + 885432.

Almost surely, 2^73487453 is an apocalyptic number.

It is an amenable number.

73487453 is a deficient number, since it is larger than the sum of its proper divisors (9681955).

73487453 is an frugal number, since it uses more digits than its factorization.

73487453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 127 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 73487453 is about 8572.4823126093. The cubic root of 73487453 is about 418.8620994009.

The spelling of 73487453 in words is "seventy-three million, four hundred eighty-seven thousand, four hundred fifty-three".