90798735 has 32 divisors (see below), whose sum is σ = 148603392. Its totient is φ = 47329920.

The previous prime is 90798731. The next prime is 90798767. The reversal of 90798735 is 53789709.

It is not a de Polignac number, because 90798735 - 2² = 90798731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90798731) 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, 167565 + ... + 168105.

It is an arithmetic number, because the mean of its divisors is an integer number (4643856).

Almost surely, 2^90798735 is an apocalyptic number.

90798735 is a deficient number, since it is larger than the sum of its proper divisors (57804657).

90798735 is a wasteful number, since it uses less digits than its factorization.

90798735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 90798735 is about 9528.8370224283. The cubic root of 90798735 is about 449.4622960263.

The spelling of 90798735 in words is "ninety million, seven hundred ninety-eight thousand, seven hundred thirty-five".