76353649 has 2 divisors, whose sum is σ = 76353650. Its totient is φ = 76353648.

The previous prime is 76353631. The next prime is 76353679. The reversal of 76353649 is 94635367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70560000 + 5793649 = 8400^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 76353649 - 2⁵ = 76353617 is a prime.

It is not a weakly prime, because it can be changed into another prime (76353619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38176824 + 38176825.

It is an arithmetic number, because the mean of its divisors is an integer number (38176825).

Almost surely, 2^76353649 is an apocalyptic number.

It is an amenable number.

76353649 is a deficient number, since it is larger than the sum of its proper divisors (1).

76353649 is an equidigital number, since it uses as much as digits as its factorization.

76353649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 43.

The square root of 76353649 is about 8738.0575072495. The cubic root of 76353649 is about 424.2383572128.

The spelling of 76353649 in words is "seventy-six million, three hundred fifty-three thousand, six hundred forty-nine".