74269918 has 4 divisors (see below), whose sum is σ = 111404880. Its totient is φ = 37134958.

The previous prime is 74269913. The next prime is 74269919. The reversal of 74269918 is 81996247.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74269913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18567478 + ... + 18567481.

It is an arithmetic number, because the mean of its divisors is an integer number (27851220).

Almost surely, 2^74269918 is an apocalyptic number.

74269918 is a deficient number, since it is larger than the sum of its proper divisors (37134962).

74269918 is a wasteful number, since it uses less digits than its factorization.

74269918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37134961.

The product of its digits is 217728, while the sum is 46.

The square root of 74269918 is about 8617.9996518914. Note that the first 3 decimals coincide. The cubic root of 74269918 is about 420.3434794162.

The spelling of 74269918 in words is "seventy-four million, two hundred sixty-nine thousand, nine hundred eighteen".