75170007157 has 4 divisors (see below), whose sum is σ = 85908579616. Its totient is φ = 64431434700.

The previous prime is 75170007151. The next prime is 75170007161.

75170007157 is nontrivially palindromic in base 10.

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 75170007157 - 2²⁷ = 75035789429 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 (75170007151) 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, 5369286219 + ... + 5369286232.

It is an arithmetic number, because the mean of its divisors is an integer number (21477144904).

Almost surely, 2^75170007157 is an apocalyptic number.

It is an amenable number.

75170007157 is a deficient number, since it is larger than the sum of its proper divisors (10738572459).

75170007157 is a wasteful number, since it uses less digits than its factorization.

75170007157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738572458.

The product of its (nonzero) digits is 60025, while the sum is 40.

The spelling of 75170007157 in words is "seventy-five billion, one hundred seventy million, seven thousand, one hundred fifty-seven".