70406169 has 4 divisors (see below), whose sum is σ = 93874896. Its totient is φ = 46937444.

The previous prime is 70406137. The next prime is 70406173. The reversal of 70406169 is 96160407.

It is a happy number.

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 70406169 - 2⁵ = 70406137 is a prime.

It is a super-2 number, since 2×70406169² = 9914057266513122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70406069) 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, 11734359 + ... + 11734364.

It is an arithmetic number, because the mean of its divisors is an integer number (23468724).

Almost surely, 2^70406169 is an apocalyptic number.

It is an amenable number.

70406169 is a deficient number, since it is larger than the sum of its proper divisors (23468727).

70406169 is a wasteful number, since it uses less digits than its factorization.

70406169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23468726.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 70406169 is about 8390.8383967277. The cubic root of 70406169 is about 412.9241066940.

The spelling of 70406169 in words is "seventy million, four hundred six thousand, one hundred sixty-nine".