29323997472 has 384 divisors, whose sum is σ = 103106304000. Its totient is φ = 7214054400.

The previous prime is 29323997441. The next prime is 29323997489. The reversal of 29323997472 is 27479932392.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6879822 + ... + 6884082.

It is an arithmetic number, because the mean of its divisors is an integer number (268506000).

Almost surely, 2^29323997472 is an apocalyptic number.

29323997472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29323997472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51553152000).

29323997472 is an abundant number, since it is smaller than the sum of its proper divisors (73782306528).

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

29323997472 is a wasteful number, since it uses less digits than its factorization.

29323997472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4303 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 57.

The spelling of 29323997472 in words is "twenty-nine billion, three hundred twenty-three million, nine hundred ninety-seven thousand, four hundred seventy-two".