34478428722 has 16 divisors (see below), whose sum is σ = 73013143392. Its totient is φ = 10816761920.

The previous prime is 34478428643. The next prime is 34478428741. The reversal of 34478428722 is 22782487443.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 169011804 + ... + 169012007.

It is an arithmetic number, because the mean of its divisors is an integer number (4563321462).

Almost surely, 2^34478428722 is an apocalyptic number.

34478428722 is an abundant number, since it is smaller than the sum of its proper divisors (38534714670).

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

34478428722 is a wasteful number, since it uses less digits than its factorization.

34478428722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338023833.

The product of its digits is 4816896, while the sum is 51.

The spelling of 34478428722 in words is "thirty-four billion, four hundred seventy-eight million, four hundred twenty-eight thousand, seven hundred twenty-two".