3975226272 has 144 divisors (see below), whose sum is σ = 11764116000. Its totient is φ = 1271757312.

The previous prime is 3975226253. The next prime is 3975226337. The reversal of 3975226272 is 2726225793.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1493679 + ... + 1496337.

It is an arithmetic number, because the mean of its divisors is an integer number (81695250).

Almost surely, 2^3975226272 is an apocalyptic number.

3975226272 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 3975226272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5882058000).

3975226272 is an abundant number, since it is smaller than the sum of its proper divisors (7788889728).

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

3975226272 is a wasteful number, since it uses less digits than its factorization.

3975226272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2872 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 3975226272 is about 63049.3954927405. The cubic root of 3975226272 is about 1584.1171094928.

The spelling of 3975226272 in words is "three billion, nine hundred seventy-five million, two hundred twenty-six thousand, two hundred seventy-two".