69969057 has 8 divisors (see below), whose sum is σ = 93334080. Its totient is φ = 46625040.

The previous prime is 69969047. The next prime is 69969061. The reversal of 69969057 is 75096996.

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

It is not a de Polignac number, because 69969057 - 2¹⁶ = 69903521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69969037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5919 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (11666760).

Almost surely, 2^69969057 is an apocalyptic number.

It is an amenable number.

69969057 is a deficient number, since it is larger than the sum of its proper divisors (23365023).

69969057 is a wasteful number, since it uses less digits than its factorization.

69969057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503.

The product of its (nonzero) digits is 918540, while the sum is 51.

The square root of 69969057 is about 8364.7508629965. The cubic root of 69969057 is about 412.0677948732.

The spelling of 69969057 in words is "sixty-nine million, nine hundred sixty-nine thousand, fifty-seven".