90750068 has 6 divisors (see below), whose sum is σ = 158812626. Its totient is φ = 45375032.

The previous prime is 90750059. The next prime is 90750071. The reversal of 90750068 is 86005709.

It can be written as a sum of positive squares in only one way, i.e., 76702564 + 14047504 = 8758^2 + 3748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11343755 + ... + 11343762.

It is an arithmetic number, because the mean of its divisors is an integer number (26468771).

Almost surely, 2^90750068 is an apocalyptic number.

It is an amenable number.

90750068 is a deficient number, since it is larger than the sum of its proper divisors (68062558).

90750068 is a wasteful number, since it uses less digits than its factorization.

90750068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22687521 (or 22687519 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 90750068 is about 9526.2830107025. The cubic root of 90750068 is about 449.3819795961.

The spelling of 90750068 in words is "ninety million, seven hundred fifty thousand, sixty-eight".