90741147 has 16 divisors (see below), whose sum is σ = 139499520. Its totient is φ = 51391872.

The previous prime is 90741143. The next prime is 90741163. The reversal of 90741147 is 74114709.

It is not a de Polignac number, because 90741147 - 2² = 90741143 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (90741143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16747 + ... + 21492.

It is an arithmetic number, because the mean of its divisors is an integer number (8718720).

Almost surely, 2^90741147 is an apocalyptic number.

90741147 is a deficient number, since it is larger than the sum of its proper divisors (48758373).

90741147 is a wasteful number, since it uses less digits than its factorization.

90741147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38362.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 90741147 is about 9525.8147683020. The cubic root of 90741147 is about 449.3672539211.

The spelling of 90741147 in words is "ninety million, seven hundred forty-one thousand, one hundred forty-seven".