30413761 has 6 divisors (see below), whose sum is σ = 35379330. Its totient is φ = 26068896.

The previous prime is 30413753. The next prime is 30413777. The reversal of 30413761 is 16731403.

It can be written as a sum of positive squares in only one way, i.e., 28826161 + 1587600 = 5369^2 + 1260^2 .

It is not a de Polignac number, because 30413761 - 2³ = 30413753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30413701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310296 + ... + 310393.

It is an arithmetic number, because the mean of its divisors is an integer number (5896555).

Almost surely, 2^30413761 is an apocalyptic number.

It is an amenable number.

30413761 is a deficient number, since it is larger than the sum of its proper divisors (4965569).

30413761 is an equidigital number, since it uses as much as digits as its factorization.

30413761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620703 (or 620696 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30413761 is about 5514.8672694817. The cubic root of 30413761 is about 312.1452349527.

The spelling of 30413761 in words is "thirty million, four hundred thirteen thousand, seven hundred sixty-one".