325747776 has 56 divisors (see below), whose sum is σ = 872301024. Its totient is φ = 107269120.

The previous prime is 325747771. The next prime is 325747801. The reversal of 325747776 is 677747523.

It is a super-2 number, since 2×325747776² = 212223227137892352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (325747771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (15576804).

Almost surely, 2^325747776 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 325747776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436150512).

325747776 is an abundant number, since it is smaller than the sum of its proper divisors (546553248).

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

325747776 is a wasteful number, since it uses less digits than its factorization.

325747776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20539 (or 20529 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 48.

The square root of 325747776 is about 18048.4840360624. The cubic root of 325747776 is about 688.0613339948.

The spelling of 325747776 in words is "three hundred twenty-five million, seven hundred forty-seven thousand, seven hundred seventy-six".