74622799 has 2 divisors, whose sum is σ = 74622800. Its totient is φ = 74622798.

The previous prime is 74622761. The next prime is 74622857. The reversal of 74622799 is 99722647.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99722647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74622799 - 2¹⁵ = 74590031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74622719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37311399 + 37311400.

It is an arithmetic number, because the mean of its divisors is an integer number (37311400).

Almost surely, 2^74622799 is an apocalyptic number.

74622799 is a deficient number, since it is larger than the sum of its proper divisors (1).

74622799 is an equidigital number, since it uses as much as digits as its factorization.

74622799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 74622799 is about 8638.4488769686. The cubic root of 74622799 is about 421.0081582251.

The spelling of 74622799 in words is "seventy-four million, six hundred twenty-two thousand, seven hundred ninety-nine".