90263761 has 8 divisors (see below), whose sum is σ = 109226880. Its totient is φ = 72817728.

The previous prime is 90263749. The next prime is 90263773. The reversal of 90263761 is 16736209.

It is an interprime number because it is at equal distance from previous prime (90263749) and next prime (90263773).

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 90263761 - 2⁷ = 90263633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90263561) 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 in 7 ways as a sum of consecutive naturals, for example, 379141 + ... + 379378.

It is an arithmetic number, because the mean of its divisors is an integer number (13653360).

Almost surely, 2^90263761 is an apocalyptic number.

It is an amenable number.

90263761 is a deficient number, since it is larger than the sum of its proper divisors (18963119).

90263761 is a wasteful number, since it uses less digits than its factorization.

90263761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758543.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 90263761 is about 9500.7242355517. The cubic root of 90263761 is about 448.5778327918.

The spelling of 90263761 in words is "ninety million, two hundred sixty-three thousand, seven hundred sixty-one".