70368869 has 4 divisors (see below), whose sum is σ = 70835040. Its totient is φ = 69902700.

The previous prime is 70368847. The next prime is 70368911. The reversal of 70368869 is 96886307.

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 a de Polignac number, because none of the positive numbers 2^k-70368869 is a prime.

It is a super-2 number, since 2×70368869² = 9903555448678322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70368169) 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, 232859 + ... + 233160.

It is an arithmetic number, because the mean of its divisors is an integer number (17708760).

Almost surely, 2^70368869 is an apocalyptic number.

It is an amenable number.

70368869 is a deficient number, since it is larger than the sum of its proper divisors (466171).

70368869 is a wasteful number, since it uses less digits than its factorization.

70368869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466170.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 70368869 is about 8388.6154399877. The cubic root of 70368869 is about 412.8511737388.

The spelling of 70368869 in words is "seventy million, three hundred sixty-eight thousand, eight hundred sixty-nine".