29873970 has 48 divisors (see below), whose sum is σ = 88770240. Its totient is φ = 6828192.

The previous prime is 29873959. The next prime is 29873971. The reversal of 29873970 is 7937892.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (29873971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23080 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (1849380).

Almost surely, 2^29873970 is an apocalyptic number.

29873970 is an abundant number, since it is smaller than the sum of its proper divisors (58896270).

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

29873970 is a wasteful number, since it uses less digits than its factorization.

29873970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47439 (or 47436 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 29873970 is about 5465.7085542499. The cubic root of 29873970 is about 310.2875237365.

The spelling of 29873970 in words is "twenty-nine million, eight hundred seventy-three thousand, nine hundred seventy".