29272921000 has 32 divisors (see below), whose sum is σ = 68498637480. Its totient is φ = 11709168000.

The previous prime is 29272920991. The next prime is 29272921009. The reversal of 29272921000 is 12927292.

It is an interprime number because it is at equal distance from previous prime (29272920991) and next prime (29272921009).

It can be written as a sum of positive squares in 4 ways, for example, as 2855619844 + 26417301156 = 53438^2 + 162534^2 .

It is not an unprimeable number, because it can be changed into a prime (29272921009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14635461 + ... + 14637460.

Almost surely, 2^29272921000 is an apocalyptic number.

29272921000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29272921000 is an abundant number, since it is smaller than the sum of its proper divisors (39225716480).

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

29272921000 is a wasteful number, since it uses less digits than its factorization.

29272921000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29272942 (or 29272928 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

It can be divided in two parts, 2927292 and 1000, that added together give a palindrome (2928292).

The spelling of 29272921000 in words is "twenty-nine billion, two hundred seventy-two million, nine hundred twenty-one thousand".