74334791 has 4 divisors (see below), whose sum is σ = 75056592. Its totient is φ = 73612992.

The previous prime is 74334787. The next prime is 74334811. The reversal of 74334791 is 19743347.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74334791 - 2² = 74334787 is a prime.

It is a super-2 number, since 2×74334791² = 11051322306027362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74334391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360746 + ... + 360951.

It is an arithmetic number, because the mean of its divisors is an integer number (18764148).

Almost surely, 2^74334791 is an apocalyptic number.

74334791 is a deficient number, since it is larger than the sum of its proper divisors (721801).

74334791 is a wasteful number, since it uses less digits than its factorization.

74334791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721800.

The product of its digits is 63504, while the sum is 38.

The square root of 74334791 is about 8621.7626388112. The cubic root of 74334791 is about 420.4658304637.

The spelling of 74334791 in words is "seventy-four million, three hundred thirty-four thousand, seven hundred ninety-one".