69422939 has 4 divisors (see below), whose sum is σ = 69508320. Its totient is φ = 69337560.

The previous prime is 69422933. The next prime is 69422987. The reversal of 69422939 is 93922496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69422939 - 2⁴ = 69422923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69422939.

It is not an unprimeable number, because it can be changed into a prime (69422933) 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, 41459 + ... + 43100.

It is an arithmetic number, because the mean of its divisors is an integer number (17377080).

Almost surely, 2^69422939 is an apocalyptic number.

69422939 is a deficient number, since it is larger than the sum of its proper divisors (85381).

69422939 is an equidigital number, since it uses as much as digits as its factorization.

69422939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85380.

The product of its digits is 209952, while the sum is 44.

The square root of 69422939 is about 8332.0429067546. The cubic root of 69422939 is about 410.9929117517.

The spelling of 69422939 in words is "sixty-nine million, four hundred twenty-two thousand, nine hundred thirty-nine".