70052817 has 4 divisors (see below), whose sum is σ = 93403760. Its totient is φ = 46701876.

The previous prime is 70052809. The next prime is 70052831. The reversal of 70052817 is 71825007.

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 not a de Polignac number, because 70052817 - 2³ = 70052809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70052837) 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, 11675467 + ... + 11675472.

It is an arithmetic number, because the mean of its divisors is an integer number (23350940).

Almost surely, 2^70052817 is an apocalyptic number.

It is an amenable number.

70052817 is a deficient number, since it is larger than the sum of its proper divisors (23350943).

70052817 is a wasteful number, since it uses less digits than its factorization.

70052817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23350942.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 70052817 is about 8369.7560896361. The cubic root of 70052817 is about 412.2321581721.

The spelling of 70052817 in words is "seventy million, fifty-two thousand, eight hundred seventeen".