30725741 has 2 divisors, whose sum is σ = 30725742. Its totient is φ = 30725740.

The previous prime is 30725729. The next prime is 30725753. The reversal of 30725741 is 14752703.

It is a balanced prime because it is at equal distance from previous prime (30725729) and next prime (30725753).

It can be written as a sum of positive squares in only one way, i.e., 17556100 + 13169641 = 4190^2 + 3629^2 .

It is a cyclic number.

It is not a de Polignac number, because 30725741 - 2²² = 26531437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30725701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362870 + 15362871.

It is an arithmetic number, because the mean of its divisors is an integer number (15362871).

Almost surely, 2^30725741 is an apocalyptic number.

It is an amenable number.

30725741 is a deficient number, since it is larger than the sum of its proper divisors (1).

30725741 is an equidigital number, since it uses as much as digits as its factorization.

30725741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 30725741 is about 5543.0804612598. The cubic root of 30725741 is about 313.2089198484.

The spelling of 30725741 in words is "thirty million, seven hundred twenty-five thousand, seven hundred forty-one".