74461791 has 4 divisors (see below), whose sum is σ = 99282392. Its totient is φ = 49641192.

The previous prime is 74461789. The next prime is 74461799. The reversal of 74461791 is 19716447.

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

It is not a de Polignac number, because 74461791 - 2¹ = 74461789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74461799) 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, 12410296 + ... + 12410301.

It is an arithmetic number, because the mean of its divisors is an integer number (24820598).

Almost surely, 2^74461791 is an apocalyptic number.

74461791 is a deficient number, since it is larger than the sum of its proper divisors (24820601).

74461791 is a wasteful number, since it uses less digits than its factorization.

74461791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24820600.

The product of its digits is 42336, while the sum is 39.

The square root of 74461791 is about 8629.1245790057. The cubic root of 74461791 is about 420.7051476484.

The spelling of 74461791 in words is "seventy-four million, four hundred sixty-one thousand, seven hundred ninety-one".