70297947 has 12 divisors (see below), whose sum is σ = 103702560. Its totient is φ = 45867888.

The previous prime is 70297939. The next prime is 70297949. The reversal of 70297947 is 74979207.

It is a happy number.

It is not a de Polignac number, because 70297947 - 2³ = 70297939 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70297949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82672 + ... + 83517.

It is an arithmetic number, because the mean of its divisors is an integer number (8641880).

Almost surely, 2^70297947 is an apocalyptic number.

70297947 is a deficient number, since it is larger than the sum of its proper divisors (33404613).

70297947 is a wasteful number, since it uses less digits than its factorization.

70297947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166242 (or 166239 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 70297947 is about 8384.3870974568. The cubic root of 70297947 is about 412.7124283264.

The spelling of 70297947 in words is "seventy million, two hundred ninety-seven thousand, nine hundred forty-seven".