70791297 has 16 divisors (see below), whose sum is σ = 97012608. Its totient is φ = 45889920.

The previous prime is 70791289. The next prime is 70791299. The reversal of 70791297 is 79219707.

It is not a de Polignac number, because 70791297 - 2³ = 70791289 is a prime.

It is a super-2 number, since 2×70791297² = 10022815461884418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70791299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45108 + ... + 46650.

It is an arithmetic number, because the mean of its divisors is an integer number (6063288).

Almost surely, 2^70791297 is an apocalyptic number.

It is an amenable number.

70791297 is a deficient number, since it is larger than the sum of its proper divisors (26221311).

70791297 is a wasteful number, since it uses less digits than its factorization.

70791297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 55566, while the sum is 42.

The square root of 70791297 is about 8413.7564143491. The cubic root of 70791297 is about 413.6756485389.

The spelling of 70791297 in words is "seventy million, seven hundred ninety-one thousand, two hundred ninety-seven".