73540503 has 12 divisors (see below), whose sum is σ = 106299648. Its totient is φ = 48992640.

The previous prime is 73540501. The next prime is 73540517. The reversal of 73540503 is 30504537.

It is a happy number.

73540503 is a `hidden beast` number, since 73 + 540 + 50 + 3 = 666.

It is not a de Polignac number, because 73540503 - 2¹ = 73540501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73540501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22663 + ... + 25703.

It is an arithmetic number, because the mean of its divisors is an integer number (8858304).

Almost surely, 2^73540503 is an apocalyptic number.

73540503 is a deficient number, since it is larger than the sum of its proper divisors (32759145).

73540503 is a wasteful number, since it uses less digits than its factorization.

73540503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 5731 counting only the distinct ones).

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

The square root of 73540503 is about 8575.5759573337. The cubic root of 73540503 is about 418.9628662151.

The spelling of 73540503 in words is "seventy-three million, five hundred forty thousand, five hundred three".