90319743 has 12 divisors (see below), whose sum is σ = 130589160. Its totient is φ = 60154416.

The previous prime is 90319741. The next prime is 90319751. The reversal of 90319743 is 34791309.

It is not a de Polignac number, because 90319743 - 2¹ = 90319741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90319698 and 90319707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90319741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6153 + ... + 14781.

It is an arithmetic number, because the mean of its divisors is an integer number (10882430).

Almost surely, 2^90319743 is an apocalyptic number.

90319743 is a deficient number, since it is larger than the sum of its proper divisors (40269417).

90319743 is a wasteful number, since it uses less digits than its factorization.

90319743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798 (or 9795 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90319743 is about 9503.6699753306. The cubic root of 90319743 is about 448.6705503053.

The spelling of 90319743 in words is "ninety million, three hundred nineteen thousand, seven hundred forty-three".