90761449 has 2 divisors, whose sum is σ = 90761450. Its totient is φ = 90761448.

The previous prime is 90761431. The next prime is 90761467. The reversal of 90761449 is 94416709.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (90761431) and next prime (90761467).

It can be written as a sum of positive squares in only one way, i.e., 71995225 + 18766224 = 8485^2 + 4332^2 .

It is an emirp because it is prime and its reverse (94416709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90761449 - 2⁵ = 90761417 is a prime.

It is not a weakly prime, because it can be changed into another prime (90768449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45380724 + 45380725.

It is an arithmetic number, because the mean of its divisors is an integer number (45380725).

Almost surely, 2^90761449 is an apocalyptic number.

It is an amenable number.

90761449 is a deficient number, since it is larger than the sum of its proper divisors (1).

90761449 is an equidigital number, since it uses as much as digits as its factorization.

90761449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90761449 is about 9526.8803393346. The cubic root of 90761449 is about 449.4007645316.

The spelling of 90761449 in words is "ninety million, seven hundred sixty-one thousand, four hundred forty-nine".