374727217 has 4 divisors (see below), whose sum is σ = 374765940. Its totient is φ = 374688496.

The previous prime is 374727211. The next prime is 374727259. The reversal of 374727217 is 712727473.

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: 712727473 = 23 ⋅30988151.

It can be written as a sum of positive squares in 2 ways, for example, as 57744801 + 316982416 = 7599^2 + 17804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374727217 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 374727217.

It is not an unprimeable number, because it can be changed into a prime (374727211) 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, 9159 + ... + 28867.

It is an arithmetic number, because the mean of its divisors is an integer number (93691485).

Almost surely, 2^374727217 is an apocalyptic number.

It is an amenable number.

374727217 is a deficient number, since it is larger than the sum of its proper divisors (38723).

374727217 is a wasteful number, since it uses less digits than its factorization.

374727217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38722.

The product of its digits is 115248, while the sum is 40.

The square root of 374727217 is about 19357.8722229485. The cubic root of 374727217 is about 720.9498888882.

The spelling of 374727217 in words is "three hundred seventy-four million, seven hundred twenty-seven thousand, two hundred seventeen".