69940570 has 32 divisors (see below), whose sum is σ = 145859328. Its totient is φ = 23649408.

The previous prime is 69940553. The next prime is 69940573. The reversal of 69940570 is 7504996.

It is not an unprimeable number, because it can be changed into a prime (69940573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (4558104).

Almost surely, 2^69940570 is an apocalyptic number.

69940570 is an abundant number, since it is smaller than the sum of its proper divisors (75918758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69940570 is a wasteful number, since it uses less digits than its factorization.

69940570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 69940570 is about 8363.0478893762. The cubic root of 69940570 is about 412.0118645843.

The spelling of 69940570 in words is "sixty-nine million, nine hundred forty thousand, five hundred seventy".