29715442 has 4 divisors (see below), whose sum is σ = 44573166. Its totient is φ = 14857720.

The previous prime is 29715431. The next prime is 29715461. The reversal of 29715442 is 24451792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 2893401 = 5179^2 + 1701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29715398 and 29715407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7428859 + ... + 7428862.

Almost surely, 2^29715442 is an apocalyptic number.

29715442 is a deficient number, since it is larger than the sum of its proper divisors (14857724).

29715442 is a wasteful number, since it uses less digits than its factorization.

29715442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14857723.

The product of its digits is 20160, while the sum is 34.

The square root of 29715442 is about 5451.1872101406. The cubic root of 29715442 is about 309.7376969523.

The spelling of 29715442 in words is "twenty-nine million, seven hundred fifteen thousand, four hundred forty-two".