90735130 has 16 divisors (see below), whose sum is σ = 163511784. Its totient is φ = 36252160.

The previous prime is 90735107. The next prime is 90735133. The reversal of 90735130 is 3153709.

It can be written as a sum of positive squares in 4 ways, for example, as 67125249 + 23609881 = 8193^2 + 4859^2 .

It is a super-2 number, since 2×90735130² = 16465727632233800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90735133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4770 + ... + 14290.

Almost surely, 2^90735130 is an apocalyptic number.

90735130 is a deficient number, since it is larger than the sum of its proper divisors (72776654).

90735130 is a wasteful number, since it uses less digits than its factorization.

90735130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 90735130 is about 9525.4989370636. The cubic root of 90735130 is about 449.3573212624.

Adding to 90735130 its reverse (3153709), we get a palindrome (93888839).

The spelling of 90735130 in words is "ninety million, seven hundred thirty-five thousand, one hundred thirty".