29970672 has 80 divisors (see below), whose sum is σ = 80640672. Its totient is φ = 9584640.

The previous prime is 29970671. The next prime is 29970673. The reversal of 29970672 is 27607992.

It is an interprime number because it is at equal distance from previous prime (29970671) and next prime (29970673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29970671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190818 + ... + 190974.

Almost surely, 2^29970672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29970672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40320336).

29970672 is an abundant number, since it is smaller than the sum of its proper divisors (50670000).

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

29970672 is a wasteful number, since it uses less digits than its factorization.

29970672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 29970672 is about 5474.5476525463. The cubic root of 29970672 is about 310.6219632321.

The spelling of 29970672 in words is "twenty-nine million, nine hundred seventy thousand, six hundred seventy-two".