69044990 has 48 divisors (see below), whose sum is σ = 150926112. Its totient is φ = 22273536.

The previous prime is 69044977. The next prime is 69045059. The reversal of 69044990 is 9944096.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18524 + ... + 21936.

It is an arithmetic number, because the mean of its divisors is an integer number (3144294).

Almost surely, 2^69044990 is an apocalyptic number.

69044990 is an abundant number, since it is smaller than the sum of its proper divisors (81881122).

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

69044990 is a wasteful number, since it uses less digits than its factorization.

69044990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 69044990 is about 8309.3315013905. The cubic root of 69044990 is about 410.2457182647.

The spelling of 69044990 in words is "sixty-nine million, forty-four thousand, nine hundred ninety".