70157017 has 8 divisors (see below), whose sum is σ = 81309312. Its totient is φ = 59287200.

The previous prime is 70156991. The next prime is 70157047. The reversal of 70157017 is 71075107.

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

It is not a de Polignac number, because 70157017 - 2¹¹ = 70154969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70157047) 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, 70084 + ... + 71077.

It is an arithmetic number, because the mean of its divisors is an integer number (10163664).

Almost surely, 2^70157017 is an apocalyptic number.

It is an amenable number.

70157017 is a deficient number, since it is larger than the sum of its proper divisors (11152295).

70157017 is a wasteful number, since it uses less digits than its factorization.

70157017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141239.

The product of its (nonzero) digits is 1715, while the sum is 28.

The square root of 70157017 is about 8375.9785696956. The cubic root of 70157017 is about 412.4364483668.

The spelling of 70157017 in words is "seventy million, one hundred fifty-seven thousand, seventeen".