76530737 has 2 divisors, whose sum is σ = 76530738. Its totient is φ = 76530736.

The previous prime is 76530733. The next prime is 76530799. The reversal of 76530737 is 73703567.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 34527376 = 6481^2 + 5876^2 .

It is a cyclic number.

It is not a de Polignac number, because 76530737 - 2² = 76530733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76530737.

It is not a weakly prime, because it can be changed into another prime (76530733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38265368 + 38265369.

It is an arithmetic number, because the mean of its divisors is an integer number (38265369).

Almost surely, 2^76530737 is an apocalyptic number.

It is an amenable number.

76530737 is a deficient number, since it is larger than the sum of its proper divisors (1).

76530737 is an equidigital number, since it uses as much as digits as its factorization.

76530737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 38.

The square root of 76530737 is about 8748.1847831422. The cubic root of 76530737 is about 424.5660844683.

The spelling of 76530737 in words is "seventy-six million, five hundred thirty thousand, seven hundred thirty-seven".