29772420906 has 8 divisors (see below), whose sum is σ = 59544841824. Its totient is φ = 9924140300.

The previous prime is 29772420901. The next prime is 29772420913. The reversal of 29772420906 is 60902427792.

It is a sphenic number, since it is the product of 3 distinct primes.

29772420906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (29772420901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2481035070 + ... + 2481035081.

It is an arithmetic number, because the mean of its divisors is an integer number (7443105228).

Almost surely, 2^29772420906 is an apocalyptic number.

29772420906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29772420906 is a wasteful number, since it uses less digits than its factorization.

29772420906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962070156.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 29772420906 in words is "twenty-nine billion, seven hundred seventy-two million, four hundred twenty thousand, nine hundred six".