90741678 has 16 divisors (see below), whose sum is σ = 185345280. Its totient is φ = 29603576.

The previous prime is 90741593. The next prime is 90741719. The reversal of 90741678 is 87614709.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160608 + ... + 161171.

It is an arithmetic number, because the mean of its divisors is an integer number (11584080).

Almost surely, 2^90741678 is an apocalyptic number.

90741678 is an abundant number, since it is smaller than the sum of its proper divisors (94603602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90741678 is a wasteful number, since it uses less digits than its factorization.

90741678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321831.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 90741678 is about 9525.8426398928. The cubic root of 90741678 is about 449.3681304567.

It can be divided in two parts, 90741 and 678, that added together give a palindrome (91419).

The spelling of 90741678 in words is "ninety million, seven hundred forty-one thousand, six hundred seventy-eight".