74269799 has 4 divisors (see below), whose sum is σ = 74323920. Its totient is φ = 74215680.

The previous prime is 74269771. The next prime is 74269807. The reversal of 74269799 is 99796247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99796247 = 193 ⋅517079.

It is a cyclic number.

It is not a de Polignac number, because 74269799 - 2²⁴ = 57492583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74269799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74265799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24947 + ... + 27764.

It is an arithmetic number, because the mean of its divisors is an integer number (18580980).

Almost surely, 2^74269799 is an apocalyptic number.

74269799 is a deficient number, since it is larger than the sum of its proper divisors (54121).

74269799 is a wasteful number, since it uses less digits than its factorization.

74269799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54120.

The product of its digits is 1714608, while the sum is 53.

The square root of 74269799 is about 8617.9927477342. The cubic root of 74269799 is about 420.3432549157.

The spelling of 74269799 in words is "seventy-four million, two hundred sixty-nine thousand, seven hundred ninety-nine".