69000090 has 16 divisors (see below), whose sum is σ = 165600288. Its totient is φ = 18400016.

The previous prime is 69000067. The next prime is 69000091. The reversal of 69000090 is 9000096.

It is a super-2 number, since 2×69000090² = 9522024840016200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69000090.

It is not an unprimeable number, because it can be changed into a prime (69000091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149972 + ... + 1150031.

It is an arithmetic number, because the mean of its divisors is an integer number (10350018).

Almost surely, 2^69000090 is an apocalyptic number.

69000090 is an abundant number, since it is smaller than the sum of its proper divisors (96600198).

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

69000090 is a wasteful number, since it uses less digits than its factorization.

69000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300013.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 69000090 is about 8306.6292802797. The cubic root of 69000090 is about 410.1567712991.

The spelling of 69000090 in words is "sixty-nine million, ninety", and thus it is an aban number and an uban number.