29745997 has 2 divisors, whose sum is σ = 29745998. Its totient is φ = 29745996.

The previous prime is 29745959. The next prime is 29746009. The reversal of 29745997 is 79954792.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26739241 + 3006756 = 5171^2 + 1734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29745997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29745197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14872998 + 14872999.

It is an arithmetic number, because the mean of its divisors is an integer number (14872999).

Almost surely, 2^29745997 is an apocalyptic number.

It is an amenable number.

29745997 is a deficient number, since it is larger than the sum of its proper divisors (1).

29745997 is an equidigital number, since it uses as much as digits as its factorization.

29745997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 52.

The square root of 29745997 is about 5453.9890905648. The cubic root of 29745997 is about 309.8438235175.

The spelling of 29745997 in words is "twenty-nine million, seven hundred forty-five thousand, nine hundred ninety-seven".