30704073 has 4 divisors (see below), whose sum is σ = 40938768. Its totient is φ = 20469380.

The previous prime is 30704059. The next prime is 30704083. The reversal of 30704073 is 37040703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30704073 - 2⁸ = 30703817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30704033) 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, 5117343 + ... + 5117348.

It is an arithmetic number, because the mean of its divisors is an integer number (10234692).

Almost surely, 2^30704073 is an apocalyptic number.

It is an amenable number.

30704073 is a deficient number, since it is larger than the sum of its proper divisors (10234695).

30704073 is a wasteful number, since it uses less digits than its factorization.

30704073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234694.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 30704073 is about 5541.1256076721. The cubic root of 30704073 is about 313.1352768528.

Adding to 30704073 its reverse (37040703), we get a palindrome (67744776).

The spelling of 30704073 in words is "thirty million, seven hundred four thousand, seventy-three".