30620342 has 8 divisors (see below), whose sum is σ = 45995376. Its totient is φ = 15288552.

The previous prime is 30620341. The next prime is 30620347. The reversal of 30620342 is 24302603.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30620341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978 + ... + 11909.

It is an arithmetic number, because the mean of its divisors is an integer number (5749422).

Almost surely, 2^30620342 is an apocalyptic number.

30620342 is a deficient number, since it is larger than the sum of its proper divisors (15375034).

30620342 is a wasteful number, since it uses less digits than its factorization.

30620342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21622.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30620342 is about 5533.5650353095. The cubic root of 30620342 is about 312.8503743741.

Adding to 30620342 its reverse (24302603), we get a palindrome (54922945).

The spelling of 30620342 in words is "thirty million, six hundred twenty thousand, three hundred forty-two".