30724086 has 8 divisors (see below), whose sum is σ = 61448184. Its totient is φ = 10241360.

The previous prime is 30724081. The next prime is 30724091. The reversal of 30724086 is 68042703.

It is an interprime number because it is at equal distance from previous prime (30724081) and next prime (30724091).

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

30724086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30724081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560335 + ... + 2560346.

It is an arithmetic number, because the mean of its divisors is an integer number (7681023).

Almost surely, 2^30724086 is an apocalyptic number.

30724086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30724086 is a wasteful number, since it uses less digits than its factorization.

30724086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120686.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30724086 is about 5542.9311740270. The cubic root of 30724086 is about 313.2032962241.

Adding to 30724086 its reverse (68042703), we get a palindrome (98766789).

The spelling of 30724086 in words is "thirty million, seven hundred twenty-four thousand, eighty-six".