34702721220 has 48 divisors (see below), whose sum is σ = 100302064128. Its totient is φ = 8955540480.

The previous prime is 34702721213. The next prime is 34702721227. The reversal of 34702721220 is 2212720743.

It is an interprime number because it is at equal distance from previous prime (34702721213) and next prime (34702721227).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (34702721227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9326829 + ... + 9330548.

It is an arithmetic number, because the mean of its divisors is an integer number (2089626336).

Almost surely, 2^34702721220 is an apocalyptic number.

34702721220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34702721220 is an abundant number, since it is smaller than the sum of its proper divisors (65599342908).

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

34702721220 is a wasteful number, since it uses less digits than its factorization.

34702721220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18657420 (or 18657418 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The spelling of 34702721220 in words is "thirty-four billion, seven hundred two million, seven hundred twenty-one thousand, two hundred twenty".