29997135 has 48 divisors (see below), whose sum is σ = 61641216. Its totient is φ = 13709088.

The previous prime is 29997133. The next prime is 29997137. The reversal of 29997135 is 53179992.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29997133) and next prime (29997137).

It is not a de Polignac number, because 29997135 - 2¹ = 29997133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6742 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^29997135 is an apocalyptic number.

29997135 is an abundant number, since it is smaller than the sum of its proper divisors (31644081).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29997135 is an equidigital number, since it uses as much as digits as its factorization.

29997135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3542 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 29997135 is about 5476.9640312859. The cubic root of 29997135 is about 310.7133589237.

The spelling of 29997135 in words is "twenty-nine million, nine hundred ninety-seven thousand, one hundred thirty-five".