70407157 has 8 divisors (see below), whose sum is σ = 73715040. Its totient is φ = 67158000.

The previous prime is 70407131. The next prime is 70407167. The reversal of 70407157 is 75170407.

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 70407157 - 2¹⁵ = 70374389 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 (70407167) 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, 12219 + ... + 17032.

It is an arithmetic number, because the mean of its divisors is an integer number (9214380).

Almost surely, 2^70407157 is an apocalyptic number.

It is an amenable number.

70407157 is a deficient number, since it is larger than the sum of its proper divisors (3307883).

70407157 is a wasteful number, since it uses less digits than its factorization.

70407157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 70407157 is about 8390.8972702566. The cubic root of 70407157 is about 412.9260381872.

The spelling of 70407157 in words is "seventy million, four hundred seven thousand, one hundred fifty-seven".