69993121 has 8 divisors (see below), whose sum is σ = 78132384. Its totient is φ = 62149920.

The previous prime is 69993113. The next prime is 69993127. The reversal of 69993121 is 12139996.

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

It is a cyclic number.

It is not a de Polignac number, because 69993121 - 2³ = 69993113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69993127) 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, 73516 + ... + 74461.

It is an arithmetic number, because the mean of its divisors is an integer number (9766548).

Almost surely, 2^69993121 is an apocalyptic number.

It is an amenable number.

69993121 is a deficient number, since it is larger than the sum of its proper divisors (8139263).

69993121 is a wasteful number, since it uses less digits than its factorization.

69993121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148031.

The product of its digits is 26244, while the sum is 40.

The square root of 69993121 is about 8366.1891563603. The cubic root of 69993121 is about 412.1150293855.

The spelling of 69993121 in words is "sixty-nine million, nine hundred ninety-three thousand, one hundred twenty-one".