90037742 has 8 divisors (see below), whose sum is σ = 135545016. Its totient is φ = 44856072.

The previous prime is 90037723. The next prime is 90037747. The reversal of 90037742 is 24773009.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 90037699 and 90037708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90037747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80708 + ... + 81815.

It is an arithmetic number, because the mean of its divisors is an integer number (16943127).

Almost surely, 2^90037742 is an apocalyptic number.

90037742 is a deficient number, since it is larger than the sum of its proper divisors (45507274).

90037742 is a wasteful number, since it uses less digits than its factorization.

90037742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162802.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 90037742 is about 9488.8219500631. The cubic root of 90037742 is about 448.2031093004.

The spelling of 90037742 in words is "ninety million, thirty-seven thousand, seven hundred forty-two".