75147339 has 4 divisors (see below), whose sum is σ = 100196456. Its totient is φ = 50098224.

The previous prime is 75147283. The next prime is 75147341. The reversal of 75147339 is 93374157.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 75147339 - 2⁷ = 75147211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75147297 and 75147306.

It is not an unprimeable number, because it can be changed into a prime (75147349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12524554 + ... + 12524559.

It is an arithmetic number, because the mean of its divisors is an integer number (25049114).

Almost surely, 2^75147339 is an apocalyptic number.

75147339 is a deficient number, since it is larger than the sum of its proper divisors (25049117).

75147339 is a wasteful number, since it uses less digits than its factorization.

75147339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25049116.

The product of its digits is 79380, while the sum is 39.

The square root of 75147339 is about 8668.7564852175. The cubic root of 75147339 is about 421.9923087328.

The spelling of 75147339 in words is "seventy-five million, one hundred forty-seven thousand, three hundred thirty-nine".