30759942 has 8 divisors (see below), whose sum is σ = 61519896. Its totient is φ = 10253312.

The previous prime is 30759941. The next prime is 30759983. The reversal of 30759942 is 24995703.

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

30759942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30759942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30759941) 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, 2563323 + ... + 2563334.

It is an arithmetic number, because the mean of its divisors is an integer number (7689987).

Almost surely, 2^30759942 is an apocalyptic number.

30759942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30759942 is a wasteful number, since it uses less digits than its factorization.

30759942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126662.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 30759942 is about 5546.1646207086. The cubic root of 30759942 is about 313.3250883098.

The spelling of 30759942 in words is "thirty million, seven hundred fifty-nine thousand, nine hundred forty-two".