29700661 has 2 divisors, whose sum is σ = 29700662. Its totient is φ = 29700660.

The previous prime is 29700653. The next prime is 29700679. The reversal of 29700661 is 16600792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17380561 + 12320100 = 4169^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 29700661 - 2³ = 29700653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29709661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14850330 + 14850331.

It is an arithmetic number, because the mean of its divisors is an integer number (14850331).

Almost surely, 2^29700661 is an apocalyptic number.

It is an amenable number.

29700661 is a deficient number, since it is larger than the sum of its proper divisors (1).

29700661 is an equidigital number, since it uses as much as digits as its factorization.

29700661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 29700661 is about 5449.8312817921. The cubic root of 29700661 is about 309.6863320514.

The spelling of 29700661 in words is "twenty-nine million, seven hundred thousand, six hundred sixty-one".