29732493972 has 12 divisors (see below), whose sum is σ = 69375819296. Its totient is φ = 9910831320.

The previous prime is 29732493949. The next prime is 29732494031. The reversal of 29732493972 is 27939423792.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238853904 + ... + 1238853927.

Almost surely, 2^29732493972 is an apocalyptic number.

It is an amenable number.

29732493972 is an abundant number, since it is smaller than the sum of its proper divisors (39643325324).

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

29732493972 is a wasteful number, since it uses less digits than its factorization.

29732493972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477707838 (or 2477707836 counting only the distinct ones).

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

The spelling of 29732493972 in words is "twenty-nine billion, seven hundred thirty-two million, four hundred ninety-three thousand, nine hundred seventy-two".