34738974721 has 8 divisors (see below), whose sum is σ = 37921205088. Its totient is φ = 31560768000.

The previous prime is 34738974713. The next prime is 34738974727. The reversal of 34738974721 is 12747983743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34738974721 - 2³ = 34738974713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34738974727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987840 + ... + 1022401.

It is an arithmetic number, because the mean of its divisors is an integer number (4740150636).

Almost surely, 2^34738974721 is an apocalyptic number.

It is an amenable number.

34738974721 is a deficient number, since it is larger than the sum of its proper divisors (3182230367).

34738974721 is a wasteful number, since it uses less digits than its factorization.

34738974721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011823.

The product of its digits is 7112448, while the sum is 55.

The spelling of 34738974721 in words is "thirty-four billion, seven hundred thirty-eight million, nine hundred seventy-four thousand, seven hundred twenty-one".