30753742 has 8 divisors (see below), whose sum is σ = 48558600. Its totient is φ = 14567544.

The previous prime is 30753739. The next prime is 30753743. The reversal of 30753742 is 24735703.

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 (30753743) 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, 404617 + ... + 404692.

It is an arithmetic number, because the mean of its divisors is an integer number (6069825).

Almost surely, 2^30753742 is an apocalyptic number.

30753742 is a deficient number, since it is larger than the sum of its proper divisors (17804858).

30753742 is a wasteful number, since it uses less digits than its factorization.

30753742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809330.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 30753742 is about 5545.6056477178. The cubic root of 30753742 is about 313.3040355384.

The spelling of 30753742 in words is "thirty million, seven hundred fifty-three thousand, seven hundred forty-two".