74628797 has 2 divisors, whose sum is σ = 74628798. Its totient is φ = 74628796.

The previous prime is 74628791. The next prime is 74628833. The reversal of 74628797 is 79782647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 24019801 = 7114^2 + 4901^2 .

It is a cyclic number.

It is not a de Polignac number, because 74628797 - 2¹² = 74624701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74628791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37314398 + 37314399.

It is an arithmetic number, because the mean of its divisors is an integer number (37314399).

Almost surely, 2^74628797 is an apocalyptic number.

It is an amenable number.

74628797 is a deficient number, since it is larger than the sum of its proper divisors (1).

74628797 is an equidigital number, since it uses as much as digits as its factorization.

74628797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 74628797 is about 8638.7960388008. The cubic root of 74628797 is about 421.0194377952.

The spelling of 74628797 in words is "seventy-four million, six hundred twenty-eight thousand, seven hundred ninety-seven".