69420969 has 24 divisors (see below), whose sum is σ = 108518592. Its totient is φ = 44264880.

The previous prime is 69420959. The next prime is 69420973. The reversal of 69420969 is 96902496.

It is not a de Polignac number, because 69420969 - 2¹² = 69416873 is a prime.

It is a super-2 number, since 2×69420969² = 9638541873797922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69420959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (4521608).

Almost surely, 2^69420969 is an apocalyptic number.

69420969 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

69420969 is a deficient number, since it is larger than the sum of its proper divisors (39097623).

69420969 is a wasteful number, since it uses less digits than its factorization.

69420969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 69420969 is about 8331.9246876097. The cubic root of 69420969 is about 410.9890241621.

The spelling of 69420969 in words is "sixty-nine million, four hundred twenty thousand, nine hundred sixty-nine".