90738064 has 20 divisors (see below), whose sum is σ = 175954140. Its totient is φ = 45330560.

The previous prime is 90738019. The next prime is 90738077. The reversal of 90738064 is 46083709.

It can be written as a sum of positive squares in 2 ways, for example, as 20178064 + 70560000 = 4492^2 + 8400^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31734 + ... + 34474.

It is an arithmetic number, because the mean of its divisors is an integer number (8797707).

Almost surely, 2^90738064 is an apocalyptic number.

It is an amenable number.

90738064 is a deficient number, since it is larger than the sum of its proper divisors (85216076).

90738064 is a wasteful number, since it uses less digits than its factorization.

90738064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4812 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 90738064 is about 9525.6529434995. The cubic root of 90738064 is about 449.3621646645.

The spelling of 90738064 in words is "ninety million, seven hundred thirty-eight thousand, sixty-four".