69090404 has 6 divisors (see below), whose sum is σ = 120908214. Its totient is φ = 34545200.

The previous prime is 69090391. The next prime is 69090407. The reversal of 69090404 is 40409096.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68029504 + 1060900 = 8248^2 + 1030^2 .

It is not an unprimeable number, because it can be changed into a prime (69090407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8636297 + ... + 8636304.

It is an arithmetic number, because the mean of its divisors is an integer number (20151369).

Almost surely, 2^69090404 is an apocalyptic number.

It is an amenable number.

69090404 is a deficient number, since it is larger than the sum of its proper divisors (51817810).

69090404 is a wasteful number, since it uses less digits than its factorization.

69090404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17272605 (or 17272603 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 69090404 is about 8312.0637629893. The cubic root of 69090404 is about 410.3356442475.

The spelling of 69090404 in words is "sixty-nine million, ninety thousand, four hundred four".