349478072 has 16 divisors (see below), whose sum is σ = 677867400. Its totient is φ = 168713440.

The previous prime is 349478069. The next prime is 349478113. The reversal of 349478072 is 270874943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752954 + ... + 753417.

Almost surely, 2^349478072 is an apocalyptic number.

It is an amenable number.

349478072 is a deficient number, since it is larger than the sum of its proper divisors (328389328).

349478072 is a wasteful number, since it uses less digits than its factorization.

349478072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506406 (or 1506402 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 349478072 is about 18694.3326171329. The cubic root of 349478072 is about 704.3793958371.

The spelling of 349478072 in words is "three hundred forty-nine million, four hundred seventy-eight thousand, seventy-two".