90107641 has 8 divisors (see below), whose sum is σ = 97120520. Its totient is φ = 83106432.

The previous prime is 90107639. The next prime is 90107653. The reversal of 90107641 is 14670109.

It can be written as a sum of positive squares in 4 ways, for example, as 1371241 + 88736400 = 1171^2 + 9420^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 90107641 - 2¹ = 90107639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90107621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19621 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (12140065).

Almost surely, 2^90107641 is an apocalyptic number.

90107641 is the 5481-st hex number.

It is an amenable number.

90107641 is a deficient number, since it is larger than the sum of its proper divisors (7012879).

90107641 is a wasteful number, since it uses less digits than its factorization.

90107641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 90107641 is about 9492.5044640495. The cubic root of 90107641 is about 448.3190638054.

The spelling of 90107641 in words is "ninety million, one hundred seven thousand, six hundred forty-one".