90745226 has 24 divisors (see below), whose sum is σ = 160799904. Its totient is φ = 38073360.

The previous prime is 90745129. The next prime is 90745229. The reversal of 90745226 is 62254709.

It is not an unprimeable number, because it can be changed into a prime (90745229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8486 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (6699996).

Almost surely, 2^90745226 is an apocalyptic number.

90745226 is a deficient number, since it is larger than the sum of its proper divisors (70054678).

90745226 is a wasteful number, since it uses less digits than its factorization.

90745226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24446 (or 24433 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90745226 is about 9526.0288683165. The cubic root of 90745226 is about 449.3739871457.

The spelling of 90745226 in words is "ninety million, seven hundred forty-five thousand, two hundred twenty-six".