70397242 has 8 divisors (see below), whose sum is σ = 111153600. Its totient is φ = 33346044.

The previous prime is 70397219. The next prime is 70397251. The reversal of 70397242 is 24279307.

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

It is a junction number, because it is equal to n+sod(n) for n = 70397198 and 70397207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926242 + ... + 926317.

It is an arithmetic number, because the mean of its divisors is an integer number (13894200).

Almost surely, 2^70397242 is an apocalyptic number.

70397242 is a deficient number, since it is larger than the sum of its proper divisors (40756358).

70397242 is a wasteful number, since it uses less digits than its factorization.

70397242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852580.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70397242 is about 8390.3064306377. The cubic root of 70397242 is about 412.9066540126.

The spelling of 70397242 in words is "seventy million, three hundred ninety-seven thousand, two hundred forty-two".