70936669 has 4 divisors (see below), whose sum is σ = 74020896. Its totient is φ = 67852444.

The previous prime is 70936667. The next prime is 70936687. The reversal of 70936669 is 96663907.

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 70936669 - 2¹ = 70936667 is a prime.

It is a super-2 number, since 2×70936669² = 10064022017631122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70936667) 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, 1542079 + ... + 1542124.

It is an arithmetic number, because the mean of its divisors is an integer number (18505224).

Almost surely, 2^70936669 is an apocalyptic number.

It is an amenable number.

70936669 is a deficient number, since it is larger than the sum of its proper divisors (3084227).

70936669 is a wasteful number, since it uses less digits than its factorization.

70936669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084226.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 70936669 is about 8422.3909313211. The cubic root of 70936669 is about 413.9586199471.

The spelling of 70936669 in words is "seventy million, nine hundred thirty-six thousand, six hundred sixty-nine".