30542073 has 8 divisors (see below), whose sum is σ = 40749408. Its totient is φ = 20348064.

The previous prime is 30542069. The next prime is 30542077. The reversal of 30542073 is 37024503.

It is an interprime number because it is at equal distance from previous prime (30542069) and next prime (30542077).

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

It is not a de Polignac number, because 30542073 - 2² = 30542069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30542077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (5093676).

Almost surely, 2^30542073 is an apocalyptic number.

It is an amenable number.

30542073 is a deficient number, since it is larger than the sum of its proper divisors (10207335).

30542073 is a wasteful number, since it uses less digits than its factorization.

30542073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30542073 is about 5526.4883063298. The cubic root of 30542073 is about 312.5835868137.

Adding to 30542073 its reverse (37024503), we get a palindrome (67566576).

The spelling of 30542073 in words is "thirty million, five hundred forty-two thousand, seventy-three".