69472238 has 8 divisors (see below), whose sum is σ = 113681880. Its totient is φ = 31578280.

The previous prime is 69472223. The next prime is 69472261. The reversal of 69472238 is 83227496.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 69472195 and 69472204.

It is a congruent number.

It is an unprimeable number.

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, 1578893 + ... + 1578936.

It is an arithmetic number, because the mean of its divisors is an integer number (14210235).

Almost surely, 2^69472238 is an apocalyptic number.

69472238 is a deficient number, since it is larger than the sum of its proper divisors (44209642).

69472238 is a wasteful number, since it uses less digits than its factorization.

69472238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157842.

The product of its digits is 145152, while the sum is 41.

The square root of 69472238 is about 8335.0007798440. Note that the first 3 decimals coincide. The cubic root of 69472238 is about 411.0901742496.

The spelling of 69472238 in words is "sixty-nine million, four hundred seventy-two thousand, two hundred thirty-eight".