30619742 has 8 divisors (see below), whose sum is σ = 46024632. Its totient is φ = 15278200.

The previous prime is 30619709. The next prime is 30619763. The reversal of 30619742 is 24791603.

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

It is a junction number, because it is equal to n+sod(n) for n = 30619699 and 30619708.

It is a congruent number.

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, 14609 + ... + 16572.

It is an arithmetic number, because the mean of its divisors is an integer number (5753079).

Almost surely, 2^30619742 is an apocalyptic number.

30619742 is a deficient number, since it is larger than the sum of its proper divisors (15404890).

30619742 is a wasteful number, since it uses less digits than its factorization.

30619742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31674.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 30619742 is about 5533.5108204466. The cubic root of 30619742 is about 312.8483309455.

The spelling of 30619742 in words is "thirty million, six hundred nineteen thousand, seven hundred forty-two".