90729935 has 8 divisors (see below), whose sum is σ = 115280496. Its totient is φ = 68314240.

The previous prime is 90729929. The next prime is 90729937. The reversal of 90729935 is 53992709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90729935 - 2²⁶ = 23621071 is a prime.

It is a super-2 number, since 2×90729935² = 16463842210208450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90729937) 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, 533621 + ... + 533790.

It is an arithmetic number, because the mean of its divisors is an integer number (14410062).

Almost surely, 2^90729935 is an apocalyptic number.

90729935 is a deficient number, since it is larger than the sum of its proper divisors (24550561).

90729935 is a wasteful number, since it uses less digits than its factorization.

90729935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067433.

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

The square root of 90729935 is about 9525.2262440322. The cubic root of 90729935 is about 449.3487451801.

The spelling of 90729935 in words is "ninety million, seven hundred twenty-nine thousand, nine hundred thirty-five".