75147093 has 12 divisors (see below), whose sum is σ = 124052448. Its totient is φ = 42941160.

The previous prime is 75147077. The next prime is 75147119. The reversal of 75147093 is 39074157.

It is a happy number.

It is not a de Polignac number, because 75147093 - 2⁴ = 75147077 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75147073) 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, 596343 + ... + 596468.

It is an arithmetic number, because the mean of its divisors is an integer number (10337704).

Almost surely, 2^75147093 is an apocalyptic number.

It is an amenable number.

75147093 is a deficient number, since it is larger than the sum of its proper divisors (48905355).

75147093 is a wasteful number, since it uses less digits than its factorization.

75147093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192824 (or 1192821 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 75147093 is about 8668.7422963196. The cubic root of 75147093 is about 421.9918482586.

The spelling of 75147093 in words is "seventy-five million, one hundred forty-seven thousand, ninety-three".