94772729 has 2 divisors, whose sum is σ = 94772730. Its totient is φ = 94772728.

The previous prime is 94772693. The next prime is 94772737. The reversal of 94772729 is 92727749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68095504 + 26677225 = 8252^2 + 5165^2 .

It is an emirp because it is prime and its reverse (92727749) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94772729 is a prime.

It is not a weakly prime, because it can be changed into another prime (94772749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47386364 + 47386365.

It is an arithmetic number, because the mean of its divisors is an integer number (47386365).

Almost surely, 2^94772729 is an apocalyptic number.

It is an amenable number.

94772729 is a deficient number, since it is larger than the sum of its proper divisors (1).

94772729 is an equidigital number, since it uses as much as digits as its factorization.

94772729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 47.

The square root of 94772729 is about 9735.1286072655. The cubic root of 94772729 is about 455.9261079227.

The spelling of 94772729 in words is "ninety-four million, seven hundred seventy-two thousand, seven hundred twenty-nine".