90671225 has 12 divisors (see below), whose sum is σ = 114825984. Its totient is φ = 70992720.

The previous prime is 90671177. The next prime is 90671233. The reversal of 90671225 is 52217609.

It is not a de Polignac number, because 90671225 - 2¹⁶ = 90605689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90671191 and 90671200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37409 + ... + 39758.

It is an arithmetic number, because the mean of its divisors is an integer number (9568832).

Almost surely, 2^90671225 is an apocalyptic number.

It is an amenable number.

90671225 is a deficient number, since it is larger than the sum of its proper divisors (24154759).

90671225 is a wasteful number, since it uses less digits than its factorization.

90671225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77224 (or 77219 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 90671225 is about 9522.1439287589. The cubic root of 90671225 is about 449.2518019562.

The spelling of 90671225 in words is "ninety million, six hundred seventy-one thousand, two hundred twenty-five".