69442047 has 24 divisors (see below), whose sum is σ = 102754080. Its totient is φ = 45178560.

The previous prime is 69442013. The next prime is 69442063. The reversal of 69442047 is 74024496.

It is not a de Polignac number, because 69442047 - 2⁷ = 69441919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69442097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69153 + ... + 70149.

It is an arithmetic number, because the mean of its divisors is an integer number (4281420).

Almost surely, 2^69442047 is an apocalyptic number.

69442047 is a deficient number, since it is larger than the sum of its proper divisors (33312033).

69442047 is a wasteful number, since it uses less digits than its factorization.

69442047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 69442047 is about 8333.1894854251. The cubic root of 69442047 is about 411.0306155822.

The spelling of 69442047 in words is "sixty-nine million, four hundred forty-two thousand, forty-seven".