29880070 has 16 divisors (see below), whose sum is σ = 58673808. Its totient is φ = 10865440.

The previous prime is 29880047. The next prime is 29880073. The reversal of 29880070 is 7008892.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29880073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135709 + ... + 135928.

It is an arithmetic number, because the mean of its divisors is an integer number (3667113).

Almost surely, 2^29880070 is an apocalyptic number.

29880070 is a deficient number, since it is larger than the sum of its proper divisors (28793738).

29880070 is a wasteful number, since it uses less digits than its factorization.

29880070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271655.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 29880070 is about 5466.2665503980. The cubic root of 29880070 is about 310.3086416203.

The spelling of 29880070 in words is "twenty-nine million, eight hundred eighty thousand, seventy".