75157071 has 8 divisors (see below), whose sum is σ = 109319424. Its totient is φ = 45549720.

The previous prime is 75157013. The next prime is 75157073. The reversal of 75157071 is 17075157.

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

It is not a de Polignac number, because 75157071 - 2⁶ = 75157007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2277487 = 75157071 / (7 + 5 + 1 + 5 + 7 + 0 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75157073) 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, 1138711 + ... + 1138776.

It is an arithmetic number, because the mean of its divisors is an integer number (13664928).

Almost surely, 2^75157071 is an apocalyptic number.

75157071 is a deficient number, since it is larger than the sum of its proper divisors (34162353).

75157071 is a wasteful number, since it uses less digits than its factorization.

75157071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277501.

The product of its (nonzero) digits is 8575, while the sum is 33.

The square root of 75157071 is about 8669.3177932292. The cubic root of 75157071 is about 422.0105247332.

The spelling of 75157071 in words is "seventy-five million, one hundred fifty-seven thousand, seventy-one".