74828717 has 2 divisors, whose sum is σ = 74828718. Its totient is φ = 74828716.

The previous prime is 74828701. The next prime is 74828737. The reversal of 74828717 is 71782847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52113961 + 22714756 = 7219^2 + 4766^2 .

It is a cyclic number.

It is not a de Polignac number, because 74828717 - 2⁴ = 74828701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74828737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37414358 + 37414359.

It is an arithmetic number, because the mean of its divisors is an integer number (37414359).

Almost surely, 2^74828717 is an apocalyptic number.

It is an amenable number.

74828717 is a deficient number, since it is larger than the sum of its proper divisors (1).

74828717 is an equidigital number, since it uses as much as digits as its factorization.

74828717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 175616, while the sum is 44.

The square root of 74828717 is about 8650.3593566973. The cubic root of 74828717 is about 421.3950531118.

The spelling of 74828717 in words is "seventy-four million, eight hundred twenty-eight thousand, seven hundred seventeen".