90368072 has 8 divisors (see below), whose sum is σ = 169440150. Its totient is φ = 45184032.

The previous prime is 90368041. The next prime is 90368093. The reversal of 90368072 is 27086309.

It can be written as a sum of positive squares in only one way, i.e., 74891716 + 15476356 = 8654^2 + 3934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 5647997 + ... + 5648012.

Almost surely, 2^90368072 is an apocalyptic number.

It is an amenable number.

90368072 is a deficient number, since it is larger than the sum of its proper divisors (79072078).

90368072 is a wasteful number, since it uses less digits than its factorization.

90368072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296015 (or 11296011 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90368072 is about 9506.2122846063. The cubic root of 90368072 is about 448.7505620940.

The spelling of 90368072 in words is "ninety million, three hundred sixty-eight thousand, seventy-two".