3257472 has 64 divisors (see below), whose sum is σ = 9180000. Its totient is φ = 1019904.

The previous prime is 3257453. The next prime is 3257497. The reversal of 3257472 is 2747523.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3257472² = 21222247661568, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3 + 2 + 5⁷ + 7⁵ + 4¹⁰ + 7⁵ + 2²¹ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6279 + ... + 6777.

Almost surely, 2^3257472 is an apocalyptic number.

3257472 is a gapful number since it is divisible by the number (32) 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 3257472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4590000).

3257472 is an abundant number, since it is smaller than the sum of its proper divisors (5922528).

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

3257472 is a wasteful number, since it uses less digits than its factorization.

3257472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 521 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 3257472 is about 1804.8468079037. The cubic root of 3257472 is about 148.2382333091.

The spelling of 3257472 in words is "three million, two hundred fifty-seven thousand, four hundred seventy-two".