34378775720 has 32 divisors (see below), whose sum is σ = 77369666400. Its totient is φ = 13748413248.

The previous prime is 34378775719. The next prime is 34378775741. The reversal of 34378775720 is 2757787343.

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, 87371 + ... + 276389.

It is an arithmetic number, because the mean of its divisors is an integer number (2417802075).

Almost surely, 2^34378775720 is an apocalyptic number.

It is an amenable number.

34378775720 is an abundant number, since it is smaller than the sum of its proper divisors (42990890680).

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

34378775720 is a wasteful number, since it uses less digits than its factorization.

34378775720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193577 (or 193573 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 53.

The spelling of 34378775720 in words is "thirty-four billion, three hundred seventy-eight million, seven hundred seventy-five thousand, seven hundred twenty".