349725694 has 32 divisors (see below), whose sum is σ = 559872000. Its totient is φ = 163581600.

The previous prime is 349725671. The next prime is 349725697. The reversal of 349725694 is 496527943.

It is a super-2 number, since 2×349725694² = 244616122087563272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349725697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232557 + ... + 234055.

It is an arithmetic number, because the mean of its divisors is an integer number (17496000).

Almost surely, 2^349725694 is an apocalyptic number.

349725694 is a deficient number, since it is larger than the sum of its proper divisors (210146306).

349725694 is a wasteful number, since it uses less digits than its factorization.

349725694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its digits is 1632960, while the sum is 49.

The square root of 349725694 is about 18700.9543606737. The cubic root of 349725694 is about 704.5457187721.

The spelling of 349725694 in words is "three hundred forty-nine million, seven hundred twenty-five thousand, six hundred ninety-four".