3205471672 has 48 divisors (see below), whose sum is σ = 6718178880. Its totient is φ = 1431705600.

The previous prime is 3205471663. The next prime is 3205471681. The reversal of 3205471672 is 2761745023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3205471663) and next prime (3205471681).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3672 + ... + 80152.

It is an arithmetic number, because the mean of its divisors is an integer number (139962060).

Almost surely, 2^3205471672 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 3205471672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3359089440).

3205471672 is an abundant number, since it is smaller than the sum of its proper divisors (3512707208).

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

3205471672 is a wasteful number, since it uses less digits than its factorization.

3205471672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76544 (or 76527 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 3205471672 is about 56616.8850432448. The cubic root of 3205471672 is about 1474.4520300243.

The spelling of 3205471672 in words is "three billion, two hundred five million, four hundred seventy-one thousand, six hundred seventy-two".