90869272 has 24 divisors (see below), whose sum is σ = 184496940. Its totient is φ = 41939040.

The previous prime is 90869269. The next prime is 90869287. The reversal of 90869272 is 27296809.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32254 + ... + 34957.

Almost surely, 2^90869272 is an apocalyptic number.

It is an amenable number.

90869272 is an abundant number, since it is smaller than the sum of its proper divisors (93627668).

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

90869272 is a wasteful number, since it uses less digits than its factorization.

90869272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67243 (or 67226 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 90869272 is about 9532.5375425434. The cubic root of 90869272 is about 449.5786541666.

The spelling of 90869272 in words is "ninety million, eight hundred sixty-nine thousand, two hundred seventy-two".