69504890 has 32 divisors (see below), whose sum is σ = 153982080. Its totient is φ = 21996864.

The previous prime is 69504887. The next prime is 69504931. The reversal of 69504890 is 9840596.

It is a Curzon number.

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, 37280 + ... + 39099.

It is an arithmetic number, because the mean of its divisors is an integer number (4811940).

Almost surely, 2^69504890 is an apocalyptic number.

69504890 is an abundant number, since it is smaller than the sum of its proper divisors (84477190).

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

69504890 is a wasteful number, since it uses less digits than its factorization.

69504890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76406.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 69504890 is about 8336.9592778183. The cubic root of 69504890 is about 411.1545683845.

The spelling of 69504890 in words is "sixty-nine million, five hundred four thousand, eight hundred ninety".