74062891 has 4 divisors (see below), whose sum is σ = 84643312. Its totient is φ = 63482472.

The previous prime is 74062883. The next prime is 74062903. The reversal of 74062891 is 19826047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19826047 = 337 ⋅58831.

It is a cyclic number.

It is not a de Polignac number, because 74062891 - 2³ = 74062883 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 74062891.

It is not an unprimeable number, because it can be changed into a prime (74062801) 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, 5290200 + ... + 5290213.

It is an arithmetic number, because the mean of its divisors is an integer number (21160828).

Almost surely, 2^74062891 is an apocalyptic number.

74062891 is a deficient number, since it is larger than the sum of its proper divisors (10580421).

74062891 is a wasteful number, since it uses less digits than its factorization.

74062891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580420.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 74062891 is about 8605.9799558214. The cubic root of 74062891 is about 419.9525475490.

The spelling of 74062891 in words is "seventy-four million, sixty-two thousand, eight hundred ninety-one".