30347642 has 8 divisors (see below), whose sum is σ = 49023156. Its totient is φ = 14006592.

The previous prime is 30347627. The next prime is 30347651. The reversal of 30347642 is 24674303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29365561 + 982081 = 5419^2 + 991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 583583 + ... + 583634.

Almost surely, 2^30347642 is an apocalyptic number.

30347642 is a deficient number, since it is larger than the sum of its proper divisors (18675514).

30347642 is a wasteful number, since it uses less digits than its factorization.

30347642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167232.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 30347642 is about 5508.8693939864. The cubic root of 30347642 is about 311.9188713563.

The spelling of 30347642 in words is "thirty million, three hundred forty-seven thousand, six hundred forty-two".