30739069 has 2 divisors, whose sum is σ = 30739070. Its totient is φ = 30739068.

The previous prime is 30739057. The next prime is 30739117. The reversal of 30739069 is 96093703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30525625 + 213444 = 5525^2 + 462^2 .

It is an emirp because it is prime and its reverse (96093703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30739069 - 2¹³ = 30730877 is a prime.

It is a super-2 number, since 2×30739069² = 1889780725973522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30739039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15369534 + 15369535.

It is an arithmetic number, because the mean of its divisors is an integer number (15369535).

Almost surely, 2^30739069 is an apocalyptic number.

It is an amenable number.

30739069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30739069 is an equidigital number, since it uses as much as digits as its factorization.

30739069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 30739069 is about 5544.2825505199. The cubic root of 30739069 is about 313.2542005035.

The spelling of 30739069 in words is "thirty million, seven hundred thirty-nine thousand, sixty-nine".