29397745 has 16 divisors (see below), whose sum is σ = 38368512. Its totient is φ = 21493440.

The previous prime is 29397727. The next prime is 29397751. The reversal of 29397745 is 54779392.

It is not a de Polignac number, because 29397745 - 2¹⁵ = 29364977 is a prime.

It is a super-2 number, since 2×29397745² = 1728454822170050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29397695 and 29397704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4500 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (2398032).

Almost surely, 2^29397745 is an apocalyptic number.

It is an amenable number.

29397745 is a deficient number, since it is larger than the sum of its proper divisors (8970767).

29397745 is a wasteful number, since it uses less digits than its factorization.

29397745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512.

The product of its digits is 476280, while the sum is 46.

The square root of 29397745 is about 5421.9687383828. The cubic root of 29397745 is about 308.6299057044.

The spelling of 29397745 in words is "twenty-nine million, three hundred ninety-seven thousand, seven hundred forty-five".