75275657 has 8 divisors (see below), whose sum is σ = 78059520. Its totient is φ = 72514080.

The previous prime is 75275633. The next prime is 75275659. The reversal of 75275657 is 75657257.

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 75275657 - 2¹² = 75271561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75275659) 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, 1469 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (9757440).

Almost surely, 2^75275657 is an apocalyptic number.

It is an amenable number.

75275657 is a deficient number, since it is larger than the sum of its proper divisors (2783863).

75275657 is a wasteful number, since it uses less digits than its factorization.

75275657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143.

The product of its digits is 514500, while the sum is 44.

The square root of 75275657 is about 8676.1545053094. The cubic root of 75275657 is about 422.2323634401.

The spelling of 75275657 in words is "seventy-five million, two hundred seventy-five thousand, six hundred fifty-seven".