90748635 has 32 divisors (see below), whose sum is σ = 154732032. Its totient is φ = 45258240.

The previous prime is 90748633. The next prime is 90748649. The reversal of 90748635 is 53684709.

It is a happy number.

It is not a de Polignac number, because 90748635 - 2¹ = 90748633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90748633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41520 + ... + 43650.

It is an arithmetic number, because the mean of its divisors is an integer number (4835376).

Almost surely, 2^90748635 is an apocalyptic number.

90748635 is a deficient number, since it is larger than the sum of its proper divisors (63983397).

90748635 is a wasteful number, since it uses less digits than its factorization.

90748635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 90748635 is about 9526.2077974397. The cubic root of 90748635 is about 449.3796142433.

The spelling of 90748635 in words is "ninety million, seven hundred forty-eight thousand, six hundred thirty-five".