90342718 has 4 divisors (see below), whose sum is σ = 135514080. Its totient is φ = 45171358.

The previous prime is 90342697. The next prime is 90342727. The reversal of 90342718 is 81724309.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22585678 + ... + 22585681.

It is an arithmetic number, because the mean of its divisors is an integer number (33878520).

Almost surely, 2^90342718 is an apocalyptic number.

90342718 is a deficient number, since it is larger than the sum of its proper divisors (45171362).

90342718 is a wasteful number, since it uses less digits than its factorization.

90342718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45171361.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 90342718 is about 9504.8786420448. The cubic root of 90342718 is about 448.7085904636.

The spelling of 90342718 in words is "ninety million, three hundred forty-two thousand, seven hundred eighteen".