29472913 has 4 divisors (see below), whose sum is σ = 30754368. Its totient is φ = 28191460.

The previous prime is 29472893. The next prime is 29472923. The reversal of 29472913 is 31927492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29472913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29472923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 640693 + ... + 640738.

It is an arithmetic number, because the mean of its divisors is an integer number (7688592).

Almost surely, 2^29472913 is an apocalyptic number.

29472913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

29472913 is a deficient number, since it is larger than the sum of its proper divisors (1281455).

29472913 is a wasteful number, since it uses less digits than its factorization.

29472913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281454.

The product of its digits is 27216, while the sum is 37.

The square root of 29472913 is about 5428.8961124707. The cubic root of 29472913 is about 308.8927302620.

The spelling of 29472913 in words is "twenty-nine million, four hundred seventy-two thousand, nine hundred thirteen".