91738084 has 9 divisors (see below), whose sum is σ = 160575177. Its totient is φ = 45859464.

The previous prime is 91738081. The next prime is 91738117. The reversal of 91738084 is 48083719.

The square root of 91738084 is 9578.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 85377600 = 2522^2 + 9240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91738081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16762 + ... + 21550.

Almost surely, 2^91738084 is an apocalyptic number.

91738084 is the 9578-th square number.

It is an amenable number.

91738084 is a deficient number, since it is larger than the sum of its proper divisors (68837093).

91738084 is an frugal number, since it uses more digits than its factorization.

91738084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582 (or 4791 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The cubic root of 91738084 is about 451.0069369290.

The spelling of 91738084 in words is "ninety-one million, seven hundred thirty-eight thousand, eighty-four".