29742474 has 16 divisors (see below), whose sum is σ = 59620608. Its totient is φ = 9891552.

The previous prime is 29742457. The next prime is 29742481. The reversal of 29742474 is 47424792.

It is a super-2 number, since 2×29742474² = 1769229519281352, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2682 + ... + 8165.

It is an arithmetic number, because the mean of its divisors is an integer number (3726288).

Almost surely, 2^29742474 is an apocalyptic number.

29742474 is an abundant number, since it is smaller than the sum of its proper divisors (29878134).

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

29742474 is a wasteful number, since it uses less digits than its factorization.

29742474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309.

The product of its digits is 112896, while the sum is 39.

The square root of 29742474 is about 5453.6661063912. Note that the first 3 decimals coincide. The cubic root of 29742474 is about 309.8315908028.

The spelling of 29742474 in words is "twenty-nine million, seven hundred forty-two thousand, four hundred seventy-four".