69228137 has 8 divisors (see below), whose sum is σ = 78805440. Its totient is φ = 60198160.

The previous prime is 69228113. The next prime is 69228139. The reversal of 69228137 is 73182296.

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

It is not a de Polignac number, because 69228137 - 2¹⁰ = 69227113 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 69228137.

It is not an unprimeable number, because it can be changed into a prime (69228139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136562 + ... + 137067.

It is an arithmetic number, because the mean of its divisors is an integer number (9850680).

Almost surely, 2^69228137 is an apocalyptic number.

It is an amenable number.

69228137 is a deficient number, since it is larger than the sum of its proper divisors (9577303).

69228137 is a wasteful number, since it uses less digits than its factorization.

69228137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273663.

The product of its digits is 36288, while the sum is 38.

The square root of 69228137 is about 8320.3447644914. The cubic root of 69228137 is about 410.6081338255.

The spelling of 69228137 in words is "sixty-nine million, two hundred twenty-eight thousand, one hundred thirty-seven".