75525157 has 8 divisors (see below), whose sum is σ = 79168320. Its totient is φ = 71967840.

The previous prime is 75525139. The next prime is 75525173. The reversal of 75525157 is 75152557.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75525157 - 2¹¹ = 75523109 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 (75525127) 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, 19657 + ... + 23182.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2^75525157 is an apocalyptic number.

It is an amenable number.

75525157 is a deficient number, since it is larger than the sum of its proper divisors (3643163).

75525157 is a wasteful number, since it uses less digits than its factorization.

75525157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42923.

The product of its digits is 61250, while the sum is 37.

The square root of 75525157 is about 8690.5211006015. The cubic root of 75525157 is about 422.6983432022.

The spelling of 75525157 in words is "seventy-five million, five hundred twenty-five thousand, one hundred fifty-seven".