29870970 has 16 divisors (see below), whose sum is σ = 71690400. Its totient is φ = 7965584.

The previous prime is 29870969. The next prime is 29870987. The reversal of 29870970 is 7907892.

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, 497820 + ... + 497879.

It is an arithmetic number, because the mean of its divisors is an integer number (4480650).

Almost surely, 2^29870970 is an apocalyptic number.

29870970 is an abundant number, since it is smaller than the sum of its proper divisors (41819430).

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

29870970 is a wasteful number, since it uses less digits than its factorization.

29870970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995709.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 29870970 is about 5465.4341090164. The cubic root of 29870970 is about 310.2771368374.

The spelling of 29870970 in words is "twenty-nine million, eight hundred seventy thousand, nine hundred seventy".