74984791 has 4 divisors (see below), whose sum is σ = 85696912. Its totient is φ = 64272672.

The previous prime is 74984779. The next prime is 74984813. The reversal of 74984791 is 19748947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19748947 = 109 ⋅181183.

It is a cyclic number.

It is not a de Polignac number, because 74984791 - 2¹³ = 74976599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74984491) 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, 5356050 + ... + 5356063.

It is an arithmetic number, because the mean of its divisors is an integer number (21424228).

Almost surely, 2^74984791 is an apocalyptic number.

74984791 is a deficient number, since it is larger than the sum of its proper divisors (10712121).

74984791 is a wasteful number, since it uses less digits than its factorization.

74984791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712120.

The product of its digits is 508032, while the sum is 49.

The square root of 74984791 is about 8659.3759012991. The cubic root of 74984791 is about 421.6878245740.

The spelling of 74984791 in words is "seventy-four million, nine hundred eighty-four thousand, seven hundred ninety-one".