3474778620 has 96 divisors (see below), whose sum is σ = 10039615488. Its totient is φ = 897472512.

The previous prime is 3474778583. The next prime is 3474778639. The reversal of 3474778620 is 268774743.

It is a self number, because there is not a number n which added to its sum of digits gives 3474778620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267189 + ... + 279891.

It is an arithmetic number, because the mean of its divisors is an integer number (104579328).

Almost surely, 2^3474778620 is an apocalyptic number.

3474778620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3474778620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5019807744).

3474778620 is an abundant number, since it is smaller than the sum of its proper divisors (6564836868).

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

3474778620 is a wasteful number, since it uses less digits than its factorization.

3474778620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12859 (or 12857 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The square root of 3474778620 is about 58947.2528621988. The cubic root of 3474778620 is about 1514.6386921729.

The spelling of 3474778620 in words is "three billion, four hundred seventy-four million, seven hundred seventy-eight thousand, six hundred twenty".