30406741 has 2 divisors, whose sum is σ = 30406742. Its totient is φ = 30406740.

The previous prime is 30406723. The next prime is 30406751. The reversal of 30406741 is 14760403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 4498641 = 5090^2 + 2121^2 .

It is a cyclic number.

It is not a de Polignac number, because 30406741 - 2⁵ = 30406709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30406751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15203370 + 15203371.

It is an arithmetic number, because the mean of its divisors is an integer number (15203371).

Almost surely, 2^30406741 is an apocalyptic number.

It is an amenable number.

30406741 is a deficient number, since it is larger than the sum of its proper divisors (1).

30406741 is an equidigital number, since it uses as much as digits as its factorization.

30406741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 30406741 is about 5514.2307713769. The cubic root of 30406741 is about 312.1212170072.

The spelling of 30406741 in words is "thirty million, four hundred six thousand, seven hundred forty-one".