30733493 has 8 divisors (see below), whose sum is σ = 36257280. Its totient is φ = 25493040.

The previous prime is 30733459. The next prime is 30733499. The reversal of 30733493 is 39433703.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30733493 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 (30733499) 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, 70598 + ... + 71031.

It is an arithmetic number, because the mean of its divisors is an integer number (4532160).

Almost surely, 2^30733493 is an apocalyptic number.

It is an amenable number.

30733493 is a deficient number, since it is larger than the sum of its proper divisors (5523787).

30733493 is a wasteful number, since it uses less digits than its factorization.

30733493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141667.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 30733493 is about 5543.7796673389. The cubic root of 30733493 is about 313.2352581487.

The spelling of 30733493 in words is "thirty million, seven hundred thirty-three thousand, four hundred ninety-three".