73436253 has 24 divisors (see below), whose sum is σ = 109138848. Its totient is φ = 43548000.

The previous prime is 73436249. The next prime is 73436257. The reversal of 73436253 is 35263437.

It is an interprime number because it is at equal distance from previous prime (73436249) and next prime (73436257).

It is not a de Polignac number, because 73436253 - 2² = 73436249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73436257) 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 23 ways as a sum of consecutive naturals, for example, 384388 + ... + 384578.

It is an arithmetic number, because the mean of its divisors is an integer number (4547452).

Almost surely, 2^73436253 is an apocalyptic number.

It is an amenable number.

73436253 is a deficient number, since it is larger than the sum of its proper divisors (35702595).

73436253 is a wasteful number, since it uses less digits than its factorization.

73436253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 266 counting only the distinct ones).

The product of its digits is 45360, while the sum is 33.

The square root of 73436253 is about 8569.4954927347. The cubic root of 73436253 is about 418.7648006056.

The spelling of 73436253 in words is "seventy-three million, four hundred thirty-six thousand, two hundred fifty-three".