69090261 has 8 divisors (see below), whose sum is σ = 97539264. Its totient is φ = 43350720.

The previous prime is 69090253. The next prime is 69090269. The reversal of 69090261 is 16209096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69090253) and next prime (69090269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69090261 - 2³ = 69090253 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69090269) 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, 677305 + ... + 677406.

It is an arithmetic number, because the mean of its divisors is an integer number (12192408).

Almost surely, 2^69090261 is an apocalyptic number.

It is an amenable number.

69090261 is a deficient number, since it is larger than the sum of its proper divisors (28449003).

69090261 is a wasteful number, since it uses less digits than its factorization.

69090261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354731.

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

The square root of 69090261 is about 8312.0551610297. The cubic root of 69090261 is about 410.3353611496.

It can be divided in two parts, 690 and 90261, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 69090261 in words is "sixty-nine million, ninety thousand, two hundred sixty-one".