90126743 has 4 divisors (see below), whose sum is σ = 103002000. Its totient is φ = 77251488.

The previous prime is 90126739. The next prime is 90126763. The reversal of 90126743 is 34762109.

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 90126743 - 2² = 90126739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90126713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6437618 + ... + 6437631.

It is an arithmetic number, because the mean of its divisors is an integer number (25750500).

Almost surely, 2^90126743 is an apocalyptic number.

90126743 is a deficient number, since it is larger than the sum of its proper divisors (12875257).

90126743 is a wasteful number, since it uses less digits than its factorization.

90126743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12875256.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 90126743 is about 9493.5105730178. The cubic root of 90126743 is about 448.3507414212.

The spelling of 90126743 in words is "ninety million, one hundred twenty-six thousand, seven hundred forty-three".