70986969 has 16 divisors (see below), whose sum is σ = 106738240. Its totient is φ = 46617120.

The previous prime is 70986959. The next prime is 70986973. The reversal of 70986969 is 96968907.

It is not a de Polignac number, because 70986969 - 2⁴ = 70986953 is a prime.

It is a super-2 number, since 2×70986969² = 10078299535613922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70986919) 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, 17812 + ... + 21429.

It is an arithmetic number, because the mean of its divisors is an integer number (6671140).

Almost surely, 2^70986969 is an apocalyptic number.

It is an amenable number.

70986969 is a deficient number, since it is larger than the sum of its proper divisors (35751271).

70986969 is a wasteful number, since it uses less digits than its factorization.

70986969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39317 (or 39311 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 70986969 is about 8425.3764901042. The cubic root of 70986969 is about 414.0564405303.

It can be divided in two parts, 709 and 86969, that added together give a palindrome (87678).

The spelling of 70986969 in words is "seventy million, nine hundred eighty-six thousand, nine hundred sixty-nine".