70982817 has 4 divisors (see below), whose sum is σ = 94643760. Its totient is φ = 47321876.

The previous prime is 70982801. The next prime is 70982819. The reversal of 70982817 is 71828907.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71828907 = 3 ⋅23942969.

It is a cyclic number.

It is not a de Polignac number, because 70982817 - 2⁴ = 70982801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70982819) 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, 11830467 + ... + 11830472.

It is an arithmetic number, because the mean of its divisors is an integer number (23660940).

Almost surely, 2^70982817 is an apocalyptic number.

It is an amenable number.

70982817 is a deficient number, since it is larger than the sum of its proper divisors (23660943).

70982817 is a wasteful number, since it uses less digits than its factorization.

70982817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23660942.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 70982817 is about 8425.1300880164. The cubic root of 70982817 is about 414.0483677066.

The spelling of 70982817 in words is "seventy million, nine hundred eighty-two thousand, eight hundred seventeen".