90741759 has 4 divisors (see below), whose sum is σ = 120989016. Its totient is φ = 60494504.

The previous prime is 90741757. The next prime is 90741773. The reversal of 90741759 is 95714709.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90741759 - 2¹ = 90741757 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 90741759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90741751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15123624 + ... + 15123629.

It is an arithmetic number, because the mean of its divisors is an integer number (30247254).

Almost surely, 2^90741759 is an apocalyptic number.

90741759 is a deficient number, since it is larger than the sum of its proper divisors (30247257).

90741759 is a wasteful number, since it uses less digits than its factorization.

90741759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30247256.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 90741759 is about 9525.8468914842. The cubic root of 90741759 is about 449.3682641653.

The spelling of 90741759 in words is "ninety million, seven hundred forty-one thousand, seven hundred fifty-nine".