90069404 has 6 divisors (see below), whose sum is σ = 157621464. Its totient is φ = 45034700.

The previous prime is 90069379. The next prime is 90069407. The reversal of 90069404 is 40496009.

It is a happy number.

It is a super-2 number, since 2×90069404² = 16224995073830432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90069407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11258672 + ... + 11258679.

It is an arithmetic number, because the mean of its divisors is an integer number (26270244).

Almost surely, 2^90069404 is an apocalyptic number.

It is an amenable number.

90069404 is a deficient number, since it is larger than the sum of its proper divisors (67552060).

90069404 is a wasteful number, since it uses less digits than its factorization.

90069404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22517355 (or 22517353 counting only the distinct ones).

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

The square root of 90069404 is about 9490.4901875509. The cubic root of 90069404 is about 448.2556403961.

The spelling of 90069404 in words is "ninety million, sixty-nine thousand, four hundred four".