90377743 has 4 divisors (see below), whose sum is σ = 90448200. Its totient is φ = 90307288.

The previous prime is 90377731. The next prime is 90377753. The reversal of 90377743 is 34777309.

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 90377743 - 2⁵ = 90377711 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90377696 and 90377705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90377753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33268 + ... + 35881.

It is an arithmetic number, because the mean of its divisors is an integer number (22612050).

Almost surely, 2^90377743 is an apocalyptic number.

90377743 is a deficient number, since it is larger than the sum of its proper divisors (70457).

90377743 is a wasteful number, since it uses less digits than its factorization.

90377743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70456.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 90377743 is about 9506.7209383678. The cubic root of 90377743 is about 448.7665696351.

The spelling of 90377743 in words is "ninety million, three hundred seventy-seven thousand, seven hundred forty-three".