351706073 has 4 divisors (see below), whose sum is σ = 359885328. Its totient is φ = 343526820.

The previous prime is 351706037. The next prime is 351706153. The reversal of 351706073 is 370607153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 351706073 - 2⁸ = 351705817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351700073) 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, 4089563 + ... + 4089648.

It is an arithmetic number, because the mean of its divisors is an integer number (89971332).

Almost surely, 2^351706073 is an apocalyptic number.

It is an amenable number.

351706073 is a deficient number, since it is larger than the sum of its proper divisors (8179255).

351706073 is an equidigital number, since it uses as much as digits as its factorization.

351706073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179254.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 351706073 is about 18753.8282225257. The cubic root of 351706073 is about 705.8730849340.

The spelling of 351706073 in words is "three hundred fifty-one million, seven hundred six thousand, seventy-three".