90271042 has 8 divisors (see below), whose sum is σ = 135452736. Its totient is φ = 45120132.

The previous prime is 90271007. The next prime is 90271079. The reversal of 90271042 is 24017209.

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

It is a super-2 number, since 2×90271042² = 16297722047531528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90270998 and 90271016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163 + ... + 13609.

It is an arithmetic number, because the mean of its divisors is an integer number (16931592).

Almost surely, 2^90271042 is an apocalyptic number.

90271042 is a deficient number, since it is larger than the sum of its proper divisors (45181694).

90271042 is a wasteful number, since it uses less digits than its factorization.

90271042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15392.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 90271042 is about 9501.1074091392. The cubic root of 90271042 is about 448.5898937686.

The spelling of 90271042 in words is "ninety million, two hundred seventy-one thousand, forty-two".