349570077 has 32 divisors (see below), whose sum is σ = 498420480. Its totient is φ = 217863360.

The previous prime is 349570057. The next prime is 349570079. The reversal of 349570077 is 770075943.

It is not a de Polignac number, because 349570077 - 2¹⁴ = 349553693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349570079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2226483 + ... + 2226639.

It is an arithmetic number, because the mean of its divisors is an integer number (15575640).

Almost surely, 2^349570077 is an apocalyptic number.

It is an amenable number.

349570077 is a deficient number, since it is larger than the sum of its proper divisors (148850403).

349570077 is an equidigital number, since it uses as much as digits as its factorization.

349570077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 349570077 is about 18696.7932277169. The cubic root of 349570077 is about 704.4412029959.

The spelling of 349570077 in words is "three hundred forty-nine million, five hundred seventy thousand, seventy-seven".