69469921 has 8 divisors (see below), whose sum is σ = 71011584. Its totient is φ = 67945200.

The previous prime is 69469919. The next prime is 69469943. The reversal of 69469921 is 12996496.

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 69469921 - 2¹ = 69469919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69469121) 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, 4240 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (8876448).

Almost surely, 2^69469921 is an apocalyptic number.

It is an amenable number.

69469921 is a deficient number, since it is larger than the sum of its proper divisors (1541663).

69469921 is a wasteful number, since it uses less digits than its factorization.

69469921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471.

The product of its digits is 209952, while the sum is 46.

The square root of 69469921 is about 8334.8617864965. The cubic root of 69469921 is about 411.0856040474.

The spelling of 69469921 in words is "sixty-nine million, four hundred sixty-nine thousand, nine hundred twenty-one".