30787413 has 4 divisors (see below), whose sum is σ = 41049888. Its totient is φ = 20524940.

The previous prime is 30787411. The next prime is 30787417. The reversal of 30787413 is 31478703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30787413 - 2¹ = 30787411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30787411) 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, 5131233 + ... + 5131238.

It is an arithmetic number, because the mean of its divisors is an integer number (10262472).

Almost surely, 2^30787413 is an apocalyptic number.

It is an amenable number.

30787413 is a deficient number, since it is larger than the sum of its proper divisors (10262475).

30787413 is a wasteful number, since it uses less digits than its factorization.

30787413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262474.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 30787413 is about 5548.6406443380. The cubic root of 30787413 is about 313.4183350442.

The spelling of 30787413 in words is "thirty million, seven hundred eighty-seven thousand, four hundred thirteen".