70157394 has 16 divisors (see below), whose sum is σ = 155905440. Its totient is φ = 23385780.

The previous prime is 70157389. The next prime is 70157411. The reversal of 70157394 is 49375107.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649552 + ... + 649659.

It is an arithmetic number, because the mean of its divisors is an integer number (9744090).

Almost surely, 2^70157394 is an apocalyptic number.

70157394 is an abundant number, since it is smaller than the sum of its proper divisors (85748046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70157394 is a wasteful number, since it uses less digits than its factorization.

70157394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299222 (or 1299216 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 70157394 is about 8376.0010744985. The cubic root of 70157394 is about 412.4371871300.

It can be divided in two parts, 70 and 157394, that added together give a cube (157464 = 54³).

The spelling of 70157394 in words is "seventy million, one hundred fifty-seven thousand, three hundred ninety-four".