30733157 has 24 divisors (see below), whose sum is σ = 38614464. Its totient is φ = 23946624.

The previous prime is 30733139. The next prime is 30733169. The reversal of 30733157 is 75133703.

It is not a de Polignac number, because 30733157 - 2¹⁰ = 30732133 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30733357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98033 + ... + 98345.

It is an arithmetic number, because the mean of its divisors is an integer number (1608936).

Almost surely, 2^30733157 is an apocalyptic number.

It is an amenable number.

30733157 is a deficient number, since it is larger than the sum of its proper divisors (7881307).

30733157 is a wasteful number, since it uses less digits than its factorization.

30733157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 30733157 is about 5543.7493630214. The cubic root of 30733157 is about 313.2341166424.

The spelling of 30733157 in words is "thirty million, seven hundred thirty-three thousand, one hundred fifty-seven".