29974742 has 16 divisors (see below), whose sum is σ = 54090240. Its totient is φ = 12170088.

The previous prime is 29974739. The next prime is 29974753. The reversal of 29974742 is 24747992.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 29974693 and 29974702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56078 + ... + 56609.

It is an arithmetic number, because the mean of its divisors is an integer number (3380640).

Almost surely, 2^29974742 is an apocalyptic number.

29974742 is a deficient number, since it is larger than the sum of its proper divisors (24115498).

29974742 is a wasteful number, since it uses less digits than its factorization.

29974742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112715.

The product of its digits is 254016, while the sum is 44.

The square root of 29974742 is about 5474.9193601367. The cubic root of 29974742 is about 310.6360233569.

The spelling of 29974742 in words is "twenty-nine million, nine hundred seventy-four thousand, seven hundred forty-two".