70077669 has 4 divisors (see below), whose sum is σ = 93436896. Its totient is φ = 46718444.

The previous prime is 70077653. The next prime is 70077671. The reversal of 70077669 is 96677007.

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 70077669 - 2⁴ = 70077653 is a prime.

It is a super-2 number, since 2×70077669² = 9821759384947122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70077669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70077169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11679609 + ... + 11679614.

It is an arithmetic number, because the mean of its divisors is an integer number (23359224).

Almost surely, 2^70077669 is an apocalyptic number.

It is an amenable number.

70077669 is a deficient number, since it is larger than the sum of its proper divisors (23359227).

70077669 is a wasteful number, since it uses less digits than its factorization.

70077669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23359226.

The product of its (nonzero) digits is 111132, while the sum is 42.

The square root of 70077669 is about 8371.2405890644. The cubic root of 70077669 is about 412.2809003583.

The spelling of 70077669 in words is "seventy million, seventy-seven thousand, six hundred sixty-nine".