3264720 has 80 divisors (see below), whose sum is σ = 10332672. Its totient is φ = 852480.

The previous prime is 3264719. The next prime is 3264721. The reversal of 3264720 is 274623.

It is an interprime number because it is at equal distance from previous prime (3264719) and next prime (3264721).

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3264721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14529 + ... + 14751.

Almost surely, 2^3264720 is an apocalyptic number.

3264720 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 3264720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5166336).

3264720 is an abundant number, since it is smaller than the sum of its proper divisors (7067952).

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

3264720 is a wasteful number, since it uses less digits than its factorization.

3264720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 3264720 is about 1806.8536188635. The cubic root of 3264720 is about 148.3480971151.

The spelling of 3264720 in words is "three million, two hundred sixty-four thousand, seven hundred twenty".