30529693 has 4 divisors (see below), whose sum is σ = 30541180. Its totient is φ = 30518208.

The previous prime is 30529691. The next prime is 30529729. The reversal of 30529693 is 39692503.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 8655364 = 4677^2 + 2942^2 .

It is a cyclic number.

It is not a de Polignac number, because 30529693 - 2¹ = 30529691 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 (30529691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 7831.

It is an arithmetic number, because the mean of its divisors is an integer number (7635295).

It is a Poulet number, since it divides 2^30529692-1.

Almost surely, 2^30529693 is an apocalyptic number.

It is an amenable number.

30529693 is a deficient number, since it is larger than the sum of its proper divisors (11487).

30529693 is an equidigital number, since it uses as much as digits as its factorization.

30529693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 30529693 is about 5525.3681325320. The cubic root of 30529693 is about 312.5413466359.

The spelling of 30529693 in words is "thirty million, five hundred twenty-nine thousand, six hundred ninety-three".