30696739 has 2 divisors, whose sum is σ = 30696740. Its totient is φ = 30696738.

The previous prime is 30696691. The next prime is 30696751. The reversal of 30696739 is 93769603.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30696739 - 2⁹ = 30696227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30696695 and 30696704.

It is not a weakly prime, because it can be changed into another prime (30696769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15348369 + 15348370.

It is an arithmetic number, because the mean of its divisors is an integer number (15348370).

Almost surely, 2^30696739 is an apocalyptic number.

30696739 is a deficient number, since it is larger than the sum of its proper divisors (1).

30696739 is an equidigital number, since it uses as much as digits as its factorization.

30696739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 30696739 is about 5540.4637892509. The cubic root of 30696739 is about 313.1103429513.

The spelling of 30696739 in words is "thirty million, six hundred ninety-six thousand, seven hundred thirty-nine".