70456897 has 4 divisors (see below), whose sum is σ = 80522176. Its totient is φ = 60391620.

The previous prime is 70456879. The next prime is 70456937. The reversal of 70456897 is 79865407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70456897 - 2²³ = 62068289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70456817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032629 + ... + 5032642.

It is an arithmetic number, because the mean of its divisors is an integer number (20130544).

Almost surely, 2^70456897 is an apocalyptic number.

It is an amenable number.

70456897 is a deficient number, since it is larger than the sum of its proper divisors (10065279).

70456897 is a wasteful number, since it uses less digits than its factorization.

70456897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065278.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 70456897 is about 8393.8606731349. The cubic root of 70456897 is about 413.0232541865.

The spelling of 70456897 in words is "seventy million, four hundred fifty-six thousand, eight hundred ninety-seven".