75469157 has 4 divisors (see below), whose sum is σ = 75542016. Its totient is φ = 75396300.

The previous prime is 75469153. The next prime is 75469189. The reversal of 75469157 is 75196457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75469157 - 2² = 75469153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75469153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34853 + ... + 36954.

It is an arithmetic number, because the mean of its divisors is an integer number (18885504).

Almost surely, 2^75469157 is an apocalyptic number.

It is an amenable number.

75469157 is a deficient number, since it is larger than the sum of its proper divisors (72859).

75469157 is a wasteful number, since it uses less digits than its factorization.

75469157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72858.

The product of its digits is 264600, while the sum is 44.

The square root of 75469157 is about 8687.2986019821. The cubic root of 75469157 is about 422.5938439815.

Adding to 75469157 its product of digits (264600), we get a palindrome (75733757).

The spelling of 75469157 in words is "seventy-five million, four hundred sixty-nine thousand, one hundred fifty-seven".