30636742 has 8 divisors (see below), whose sum is σ = 47437632. Its totient is φ = 14824200.

The previous prime is 30636733. The next prime is 30636751. The reversal of 30636742 is 24763603.

It is an interprime number because it is at equal distance from previous prime (30636733) and next prime (30636751).

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

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 247009 + ... + 247132.

It is an arithmetic number, because the mean of its divisors is an integer number (5929704).

Almost surely, 2^30636742 is an apocalyptic number.

30636742 is a deficient number, since it is larger than the sum of its proper divisors (16800890).

30636742 is a wasteful number, since it uses less digits than its factorization.

30636742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494174.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 30636742 is about 5535.0467026033. The cubic root of 30636742 is about 312.9062177567.

The spelling of 30636742 in words is "thirty million, six hundred thirty-six thousand, seven hundred forty-two".