34758207820 has 144 divisors (see below), whose sum is σ = 90053661600. Its totient is φ = 11197433856.

The previous prime is 34758207797. The next prime is 34758207919. The reversal of 34758207820 is 2870285743.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12876831 + ... + 12879529.

It is an arithmetic number, because the mean of its divisors is an integer number (625372650).

Almost surely, 2^34758207820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34758207820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45026830800).

34758207820 is an abundant number, since it is smaller than the sum of its proper divisors (55295453780).

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

34758207820 is a wasteful number, since it uses less digits than its factorization.

34758207820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 34758207820 in words is "thirty-four billion, seven hundred fifty-eight million, two hundred seven thousand, eight hundred twenty".