30734957 has 8 divisors (see below), whose sum is σ = 33582432. Its totient is φ = 27896400.

The previous prime is 30734941. The next prime is 30734959. The reversal of 30734957 is 75943703.

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 30734957 - 2⁴ = 30734941 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 30734957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30734959) 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, 6482 + ... + 10172.

It is an arithmetic number, because the mean of its divisors is an integer number (4197804).

Almost surely, 2^30734957 is an apocalyptic number.

It is an amenable number.

30734957 is a deficient number, since it is larger than the sum of its proper divisors (2847475).

30734957 is a wasteful number, since it uses less digits than its factorization.

30734957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 30734957 is about 5543.9117056461. The cubic root of 30734957 is about 313.2402317578.

The spelling of 30734957 in words is "thirty million, seven hundred thirty-four thousand, nine hundred fifty-seven".