74200079 has 2 divisors, whose sum is σ = 74200080. Its totient is φ = 74200078.

The previous prime is 74200057. The next prime is 74200099. The reversal of 74200079 is 97000247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74200079 - 2⁸ = 74199823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74200099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37100039 + 37100040.

It is an arithmetic number, because the mean of its divisors is an integer number (37100040).

Almost surely, 2^74200079 is an apocalyptic number.

74200079 is a deficient number, since it is larger than the sum of its proper divisors (1).

74200079 is an equidigital number, since it uses as much as digits as its factorization.

74200079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 74200079 is about 8613.9467725312. The cubic root of 74200079 is about 420.2116827861.

The spelling of 74200079 in words is "seventy-four million, two hundred thousand, seventy-nine".