90272741 has 8 divisors (see below), whose sum is σ = 98811384. Its totient is φ = 81961920.

The previous prime is 90272729. The next prime is 90272761. The reversal of 90272741 is 14727209.

It can be written as a sum of positive squares in 4 ways, for example, as 6477025 + 83795716 = 2545^2 + 9154^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90272741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90272698 and 90272707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90272701) 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, 56126 + ... + 57711.

It is an arithmetic number, because the mean of its divisors is an integer number (12351423).

Almost surely, 2^90272741 is an apocalyptic number.

It is an amenable number.

90272741 is a deficient number, since it is larger than the sum of its proper divisors (8538643).

90272741 is a wasteful number, since it uses less digits than its factorization.

90272741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113911.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 90272741 is about 9501.1968193486. The cubic root of 90272741 is about 448.5927080688.

The spelling of 90272741 in words is "ninety million, two hundred seventy-two thousand, seven hundred forty-one".