342995730 has 64 divisors (see below), whose sum is σ = 1026321408. Its totient is φ = 71271360.

The previous prime is 342995663. The next prime is 342995747. The reversal of 342995730 is 37599243.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71932 + ... + 76551.

It is an arithmetic number, because the mean of its divisors is an integer number (16036272).

Almost surely, 2^342995730 is an apocalyptic number.

342995730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342995730 is an abundant number, since it is smaller than the sum of its proper divisors (683325678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342995730 is a wasteful number, since it uses less digits than its factorization.

342995730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148511.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 342995730 is about 18520.1438979291. The cubic root of 342995730 is about 699.9970952260.

The spelling of 342995730 in words is "three hundred forty-two million, nine hundred ninety-five thousand, seven hundred thirty".