29375920 has 40 divisors (see below), whose sum is σ = 78057504. Its totient is φ = 10071552.

The previous prime is 29375897. The next prime is 29375921. The reversal of 29375920 is 2957392.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29375920.

It is not an unprimeable number, because it can be changed into a prime (29375921) 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 7 ways as a sum of consecutive naturals, for example, 25669 + ... + 26788.

Almost surely, 2^29375920 is an apocalyptic number.

29375920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29375920 is an abundant number, since it is smaller than the sum of its proper divisors (48681584).

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

29375920 is a wasteful number, since it uses less digits than its factorization.

29375920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52477 (or 52471 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 29375920 is about 5419.9557193763. The cubic root of 29375920 is about 308.5535107827.

The spelling of 29375920 in words is "twenty-nine million, three hundred seventy-five thousand, nine hundred twenty".