351672427 has 4 divisors (see below), whose sum is σ = 351961200. Its totient is φ = 351383656.

The previous prime is 351672413. The next prime is 351672439. The reversal of 351672427 is 724276153.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724276153 = 59 ⋅12275867.

It is a cyclic number.

It is not a de Polignac number, because 351672427 - 2¹¹ = 351670379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351672407) 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, 142552 + ... + 144997.

It is an arithmetic number, because the mean of its divisors is an integer number (87990300).

Almost surely, 2^351672427 is an apocalyptic number.

351672427 is a deficient number, since it is larger than the sum of its proper divisors (288773).

351672427 is a wasteful number, since it uses less digits than its factorization.

351672427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288772.

The product of its digits is 70560, while the sum is 37.

The square root of 351672427 is about 18752.9311575551. The cubic root of 351672427 is about 705.8505750742.

The spelling of 351672427 in words is "three hundred fifty-one million, six hundred seventy-two thousand, four hundred twenty-seven".