75513273 has 8 divisors (see below), whose sum is σ = 109837536. Its totient is φ = 45765600.

The previous prime is 75513271. The next prime is 75513281. The reversal of 75513273 is 37231557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75513273 - 2¹ = 75513271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2288281 = 75513273 / (7 + 5 + 5 + 1 + 3 + 2 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (75513271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144108 + ... + 1144173.

It is an arithmetic number, because the mean of its divisors is an integer number (13729692).

Almost surely, 2^75513273 is an apocalyptic number.

It is an amenable number.

75513273 is a deficient number, since it is larger than the sum of its proper divisors (34324263).

75513273 is a wasteful number, since it uses less digits than its factorization.

75513273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288295.

The product of its digits is 22050, while the sum is 33.

The square root of 75513273 is about 8689.8373402498. The cubic root of 75513273 is about 422.6761712937.

It can be divided in two parts, 755 and 13273, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 75513273 in words is "seventy-five million, five hundred thirteen thousand, two hundred seventy-three".