29987470 has 8 divisors (see below), whose sum is σ = 53977464. Its totient is φ = 11994984.

The previous prime is 29987467. The next prime is 29987483. The reversal of 29987470 is 7478992.

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

It is a self number, because there is not a number n which added to its sum of digits gives 29987470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499364 + ... + 1499383.

It is an arithmetic number, because the mean of its divisors is an integer number (6747183).

Almost surely, 2^29987470 is an apocalyptic number.

29987470 is a deficient number, since it is larger than the sum of its proper divisors (23989994).

29987470 is a wasteful number, since it uses less digits than its factorization.

29987470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998754.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 29987470 is about 5476.0816283178. The cubic root of 29987470 is about 310.6799849898.

The spelling of 29987470 in words is "twenty-nine million, nine hundred eighty-seven thousand, four hundred seventy".