346143742 has 24 divisors (see below), whose sum is σ = 615390696. Its totient is φ = 145546128.

The previous prime is 346143731. The next prime is 346143773. The reversal of 346143742 is 247341643.

It is a junction number, because it is equal to n+sod(n) for n = 346143698 and 346143707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28128 + ... + 38515.

It is an arithmetic number, because the mean of its divisors is an integer number (25641279).

Almost surely, 2^346143742 is an apocalyptic number.

346143742 is a deficient number, since it is larger than the sum of its proper divisors (269246954).

346143742 is a wasteful number, since it uses less digits than its factorization.

346143742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66712 (or 66705 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 346143742 is about 18604.9386454242. The cubic root of 346143742 is about 702.1320993387.

The spelling of 346143742 in words is "three hundred forty-six million, one hundred forty-three thousand, seven hundred forty-two".