69936090 has 32 divisors (see below), whose sum is σ = 191825280. Its totient is φ = 15985344.

The previous prime is 69936089. The next prime is 69936101. The reversal of 69936090 is 9063996.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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, 166305 + ... + 166724.

It is an arithmetic number, because the mean of its divisors is an integer number (5994540).

Almost surely, 2^69936090 is an apocalyptic number.

69936090 is an abundant number, since it is smaller than the sum of its proper divisors (121889190).

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

69936090 is a wasteful number, since it uses less digits than its factorization.

69936090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333046.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 69936090 is about 8362.7800401541. The cubic root of 69936090 is about 412.0030673414.

The spelling of 69936090 in words is "sixty-nine million, nine hundred thirty-six thousand, ninety".