29742373 has 2 divisors, whose sum is σ = 29742374. Its totient is φ = 29742372.

The previous prime is 29742347. The next prime is 29742389. The reversal of 29742373 is 37324792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 11950849 = 4218^2 + 3457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29742373 is a prime.

It is a super-2 number, since 2×29742373² = 1769217503342258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29742173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14871186 + 14871187.

It is an arithmetic number, because the mean of its divisors is an integer number (14871187).

Almost surely, 2^29742373 is an apocalyptic number.

It is an amenable number.

29742373 is a deficient number, since it is larger than the sum of its proper divisors (1).

29742373 is an equidigital number, since it uses as much as digits as its factorization.

29742373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 29742373 is about 5453.6568465572. The cubic root of 29742373 is about 309.8312400919.

The spelling of 29742373 in words is "twenty-nine million, seven hundred forty-two thousand, three hundred seventy-three".