29742790 has 96 divisors (see below), whose sum is σ = 71103744. Its totient is φ = 8700480.

The previous prime is 29742767. The next prime is 29742793. The reversal of 29742790 is 9724792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29742793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277917 + ... + 278023.

It is an arithmetic number, because the mean of its divisors is an integer number (740664).

Almost surely, 2^29742790 is an apocalyptic number.

29742790 is an abundant number, since it is smaller than the sum of its proper divisors (41360954).

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

29742790 is a wasteful number, since it uses less digits than its factorization.

29742790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 29742790 is about 5453.6950776515. The cubic root of 29742790 is about 309.8326880712.

The spelling of 29742790 in words is "twenty-nine million, seven hundred forty-two thousand, seven hundred ninety".