69120690 has 16 divisors (see below), whose sum is σ = 165889728. Its totient is φ = 18432176.

The previous prime is 69120677. The next prime is 69120713. The reversal of 69120690 is 9602196.

It is a happy number.

It is a super-2 number, since 2×69120690² = 9555339572152200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1151982 + ... + 1152041.

It is an arithmetic number, because the mean of its divisors is an integer number (10368108).

Almost surely, 2^69120690 is an apocalyptic number.

69120690 is an abundant number, since it is smaller than the sum of its proper divisors (96769038).

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

69120690 is a wasteful number, since it uses less digits than its factorization.

69120690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304033.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 69120690 is about 8313.8853732776. The cubic root of 69120690 is about 410.3955928037.

The spelling of 69120690 in words is "sixty-nine million, one hundred twenty thousand, six hundred ninety".