29972459 has 8 divisors (see below), whose sum is σ = 32987952. Its totient is φ = 27005440.

The previous prime is 29972389. The next prime is 29972477. The reversal of 29972459 is 95427992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29972459 - 2⁸ = 29972203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29972359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10814 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (4123494).

Almost surely, 2^29972459 is an apocalyptic number.

29972459 is a deficient number, since it is larger than the sum of its proper divisors (3015493).

29972459 is a wasteful number, since it uses less digits than its factorization.

29972459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24237.

The product of its digits is 408240, while the sum is 47.

The square root of 29972459 is about 5474.7108599450. The cubic root of 29972459 is about 310.6281367164.

The spelling of 29972459 in words is "twenty-nine million, nine hundred seventy-two thousand, four hundred fifty-nine".