3473889720 has 128 divisors (see below), whose sum is σ = 11939235840. Its totient is φ = 792115200.

The previous prime is 3473889703. The next prime is 3473889737. The reversal of 3473889720 is 279883743.

It is an interprime number because it is at equal distance from previous prime (3473889703) and next prime (3473889737).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 358945 + ... + 368495.

It is an arithmetic number, because the mean of its divisors is an integer number (93275280).

Almost surely, 2^3473889720 is an apocalyptic number.

3473889720 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 3473889720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5969617920).

3473889720 is an abundant number, since it is smaller than the sum of its proper divisors (8465346120).

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

3473889720 is a wasteful number, since it uses less digits than its factorization.

3473889720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005 (or 10001 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 3473889720 is about 58939.7125883729. The cubic root of 3473889720 is about 1514.5095254639.

The spelling of 3473889720 in words is "three billion, four hundred seventy-three million, eight hundred eighty-nine thousand, seven hundred twenty".