90929753 has 4 divisors (see below), whose sum is σ = 96278580. Its totient is φ = 85580928.

The previous prime is 90929743. The next prime is 90929779. The reversal of 90929753 is 35792909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35792909 = 61 ⋅586769.

It can be written as a sum of positive squares in 2 ways, for example, as 38105929 + 52823824 = 6173^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 90929753 - 2⁶ = 90929689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90929723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674388 + ... + 2674421.

It is an arithmetic number, because the mean of its divisors is an integer number (24069645).

Almost surely, 2^90929753 is an apocalyptic number.

It is an amenable number.

90929753 is a deficient number, since it is larger than the sum of its proper divisors (5348827).

90929753 is a wasteful number, since it uses less digits than its factorization.

90929753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348826.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 90929753 is about 9535.7093600843. The cubic root of 90929753 is about 449.6783759449.

The spelling of 90929753 in words is "ninety million, nine hundred twenty-nine thousand, seven hundred fifty-three".