74351 has 4 divisors (see below), whose sum is σ = 75000. Its totient is φ = 73704.

The previous prime is 74323. The next prime is 74353. The reversal of 74351 is 15347.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15347 = 103 ⋅149.

It is a cyclic number.

It is not a de Polignac number, because 74351 - 2⁶ = 74287 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74353) 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, 101 + ... + 398.

It is an arithmetic number, because the mean of its divisors is an integer number (18750).

2⁷⁴³⁵¹ is an apocalyptic number.

74351 is a deficient number, since it is larger than the sum of its proper divisors (649).

74351 is a wasteful number, since it uses less digits than its factorization.

74351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its digits is 420, while the sum is 20.

The square root of 74351 is about 272.6737977878. The cubic root of 74351 is about 42.0496389664.

Adding to 74351 its reverse (15347), we get a palindrome (89698).

The spelling of 74351 in words is "seventy-four thousand, three hundred fifty-one".