90768476 has 6 divisors (see below), whose sum is σ = 158844840. Its totient is φ = 45384236.

The previous prime is 90768473. The next prime is 90768481. The reversal of 90768476 is 67486709.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90768476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90768473) by changing a digit.

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, 11346056 + ... + 11346063.

It is an arithmetic number, because the mean of its divisors is an integer number (26474140).

Almost surely, 2^90768476 is an apocalyptic number.

It is an amenable number.

90768476 is a deficient number, since it is larger than the sum of its proper divisors (68076364).

90768476 is a wasteful number, since it uses less digits than its factorization.

90768476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22692123 (or 22692121 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 90768476 is about 9527.2491307827. The cubic root of 90768476 is about 449.4123621783.

The spelling of 90768476 in words is "ninety million, seven hundred sixty-eight thousand, four hundred seventy-six".