74974799 has 2 divisors, whose sum is σ = 74974800. Its totient is φ = 74974798.

The previous prime is 74974787. The next prime is 74974853. The reversal of 74974799 is 99747947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74974799 - 2¹² = 74970703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74976799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37487399 + 37487400.

It is an arithmetic number, because the mean of its divisors is an integer number (37487400).

Almost surely, 2^74974799 is an apocalyptic number.

74974799 is a deficient number, since it is larger than the sum of its proper divisors (1).

74974799 is an equidigital number, since it uses as much as digits as its factorization.

74974799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 56.

The square root of 74974799 is about 8658.7989351873. The cubic root of 74974799 is about 421.6690932559.

The spelling of 74974799 in words is "seventy-four million, nine hundred seventy-four thousand, seven hundred ninety-nine".