90507276 has 18 divisors (see below), whose sum is σ = 228782372. Its totient is φ = 30169080.

The previous prime is 90507271. The next prime is 90507281. The reversal of 90507276 is 67270509.

It is an interprime number because it is at equal distance from previous prime (90507271) and next prime (90507281).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2514091 = 90507276 / (9 + 0 + 5 + 0 + 7 + 2 + 7 + 6).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 90507276.

It is not an unprimeable number, because it can be changed into a prime (90507271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1257010 + ... + 1257081.

Almost surely, 2^90507276 is an apocalyptic number.

It is an amenable number.

90507276 is an abundant number, since it is smaller than the sum of its proper divisors (138275096).

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

90507276 is a wasteful number, since it uses less digits than its factorization.

90507276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514101 (or 2514096 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 90507276 is about 9513.5312056039. The cubic root of 90507276 is about 448.9808640280.

The spelling of 90507276 in words is "ninety million, five hundred seven thousand, two hundred seventy-six".