30273949 has 8 divisors (see below), whose sum is σ = 32014080. Its totient is φ = 28581600.

The previous prime is 30273917. The next prime is 30273959. The reversal of 30273949 is 94937203.

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 30273949 - 2⁵ = 30273917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30273959) 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, 10639 + ... + 13180.

It is an arithmetic number, because the mean of its divisors is an integer number (4001760).

Almost surely, 2^30273949 is an apocalyptic number.

It is an amenable number.

30273949 is a deficient number, since it is larger than the sum of its proper divisors (1740131).

30273949 is a wasteful number, since it uses less digits than its factorization.

30273949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23891.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 30273949 is about 5502.1767510686. The cubic root of 30273949 is about 311.6661897991. Note that the first 3 decimals are identical.

The spelling of 30273949 in words is "thirty million, two hundred seventy-three thousand, nine hundred forty-nine".