90764416 has 16 divisors (see below), whose sum is σ = 180819990. Its totient is φ = 45382144.

The previous prime is 90764413. The next prime is 90764423. The reversal of 90764416 is 61446709.

It can be written as a sum of positive squares in only one way, i.e., 56190016 + 34574400 = 7496^2 + 5880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×90764416³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90764413) 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, 354421 + ... + 354676.

Almost surely, 2^90764416 is an apocalyptic number.

It is an amenable number.

90764416 is a deficient number, since it is larger than the sum of its proper divisors (90055574).

90764416 is an equidigital number, since it uses as much as digits as its factorization.

90764416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709111 (or 709099 counting only the distinct ones).

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

The square root of 90764416 is about 9527.0360553532. The cubic root of 90764416 is about 449.4056614621.

The spelling of 90764416 in words is "ninety million, seven hundred sixty-four thousand, four hundred sixteen".