30750349 has 8 divisors (see below), whose sum is σ = 35298560. Its totient is φ = 26240976.

The previous prime is 30750347. The next prime is 30750373. The reversal of 30750349 is 94305703.

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 30750349 - 2¹ = 30750347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30750349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30750347) 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, 7989 + ... + 11194.

It is an arithmetic number, because the mean of its divisors is an integer number (4412320).

Almost surely, 2^30750349 is an apocalyptic number.

It is an amenable number.

30750349 is a deficient number, since it is larger than the sum of its proper divisors (4548211).

30750349 is a wasteful number, since it uses less digits than its factorization.

30750349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19419.

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

The square root of 30750349 is about 5545.2997213857. The cubic root of 30750349 is about 313.2925130415.

The spelling of 30750349 in words is "thirty million, seven hundred fifty thousand, three hundred forty-nine".