29742393 has 8 divisors (see below), whose sum is σ = 39724288. Its totient is φ = 19794384.

The previous prime is 29742389. The next prime is 29742409. The reversal of 29742393 is 39324792.

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

It is not a de Polignac number, because 29742393 - 2² = 29742389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29742373) 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, 6346 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (4965536).

Almost surely, 2^29742393 is an apocalyptic number.

It is an amenable number.

29742393 is a deficient number, since it is larger than the sum of its proper divisors (9981895).

29742393 is a wasteful number, since it uses less digits than its factorization.

29742393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16943.

The product of its digits is 81648, while the sum is 39.

The square root of 29742393 is about 5453.6586801889. The cubic root of 29742393 is about 309.8313095397.

It can be divided in two parts, 29742 and 393, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 29742393 in words is "twenty-nine million, seven hundred forty-two thousand, three hundred ninety-three".