30540742 has 8 divisors (see below), whose sum is σ = 46017216. Its totient is φ = 15201672.

The previous prime is 30540737. The next prime is 30540743. The reversal of 30540742 is 24704503.

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 (30540743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33793 + ... + 34684.

It is an arithmetic number, because the mean of its divisors is an integer number (5752152).

Almost surely, 2^30540742 is an apocalyptic number.

30540742 is a deficient number, since it is larger than the sum of its proper divisors (15476474).

30540742 is a wasteful number, since it uses less digits than its factorization.

30540742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68702.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 30540742 is about 5526.3678849675. The cubic root of 30540742 is about 312.5790460305.

The spelling of 30540742 in words is "thirty million, five hundred forty thousand, seven hundred forty-two".