349149073 has 16 divisors (see below), whose sum is σ = 452341120. Its totient is φ = 261709056.

The previous prime is 349149049. The next prime is 349149137. The reversal of 349149073 is 370941943.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-349149073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349141073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99240 + ... + 102697.

It is an arithmetic number, because the mean of its divisors is an integer number (28271320).

Almost surely, 2^349149073 is an apocalyptic number.

It is an amenable number.

349149073 is a deficient number, since it is larger than the sum of its proper divisors (103192047).

349149073 is a wasteful number, since it uses less digits than its factorization.

349149073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201976.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 349149073 is about 18685.5311136719. The cubic root of 349149073 is about 704.1582919552.

The spelling of 349149073 in words is "three hundred forty-nine million, one hundred forty-nine thousand, seventy-three".