30739045 has 8 divisors (see below), whose sum is σ = 37884024. Its totient is φ = 23926464.

The previous prime is 30739039. The next prime is 30739057. The reversal of 30739045 is 54093703.

It can be written as a sum of positive squares in 4 ways, for example, as 10227204 + 20511841 = 3198^2 + 4529^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30739045 - 2⁵ = 30739013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30738998 and 30739016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82894 + ... + 83263.

It is an arithmetic number, because the mean of its divisors is an integer number (4735503).

Almost surely, 2^30739045 is an apocalyptic number.

It is an amenable number.

30739045 is a deficient number, since it is larger than the sum of its proper divisors (7144979).

30739045 is a wasteful number, since it uses less digits than its factorization.

30739045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166199.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 30739045 is about 5544.2803861277. The cubic root of 30739045 is about 313.2541189774.

The spelling of 30739045 in words is "thirty million, seven hundred thirty-nine thousand, forty-five".