29274395772 has 12 divisors (see below), whose sum is σ = 68306923496. Its totient is φ = 9758131920.

The previous prime is 29274395659. The next prime is 29274395779. The reversal of 29274395772 is 27759347292.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29274395779) 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, 1219766479 + ... + 1219766502.

Almost surely, 2^29274395772 is an apocalyptic number.

It is an amenable number.

29274395772 is an abundant number, since it is smaller than the sum of its proper divisors (39032527724).

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

29274395772 is a wasteful number, since it uses less digits than its factorization.

29274395772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439532988 (or 2439532986 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 57.

The spelling of 29274395772 in words is "twenty-nine billion, two hundred seventy-four million, three hundred ninety-five thousand, seven hundred seventy-two".