29972191593772 has 24 divisors (see below), whose sum is σ = 52464705011712. Its totient is φ = 14982276229200.

The previous prime is 29972191593727. The next prime is 29972191593793. The reversal of 29972191593772 is 27739519127992.

It is a junction number, because it is equal to n+sod(n) for n = 29972191593695 and 29972191593704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524593647 + ... + 524650777.

It is an arithmetic number, because the mean of its divisors is an integer number (2186029375488).

Almost surely, 2^{29972191593772} is an apocalyptic number.

It is an amenable number.

29972191593772 is a deficient number, since it is larger than the sum of its proper divisors (22492513417940).

29972191593772 is a wasteful number, since it uses less digits than its factorization.

29972191593772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88269 (or 88267 counting only the distinct ones).

The product of its digits is 270050760, while the sum is 73.

The spelling of 29972191593772 in words is "twenty-nine trillion, nine hundred seventy-two billion, one hundred ninety-one million, five hundred ninety-three thousand, seven hundred seventy-two".