90052744 has 8 divisors (see below), whose sum is σ = 168848910. Its totient is φ = 45026368.

The previous prime is 90052733. The next prime is 90052747. The reversal of 90052744 is 44725009.

It can be written as a sum of positive squares in only one way, i.e., 88924900 + 1127844 = 9430^2 + 1062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (90052747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628289 + ... + 5628304.

Almost surely, 2^90052744 is an apocalyptic number.

It is an amenable number.

90052744 is a deficient number, since it is larger than the sum of its proper divisors (78796166).

90052744 is a wasteful number, since it uses less digits than its factorization.

90052744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11256599 (or 11256595 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 90052744 is about 9489.6124262269. The cubic root of 90052744 is about 448.2280009717.

The spelling of 90052744 in words is "ninety million, fifty-two thousand, seven hundred forty-four".