3520066272 has 48 divisors (see below), whose sum is σ = 9257390352. Its totient is φ = 1171169280.

The previous prime is 3520066267. The next prime is 3520066273. The reversal of 3520066272 is 2726600253.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520066273) 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, 18048 + ... + 85824.

It is an arithmetic number, because the mean of its divisors is an integer number (192862299).

Almost surely, 2^3520066272 is an apocalyptic number.

3520066272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3520066272 is an abundant number, since it is smaller than the sum of its proper divisors (5737324080).

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

3520066272 is a wasteful number, since it uses less digits than its factorization.

3520066272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68331 (or 68323 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 3520066272 is about 59330.1464013026. The cubic root of 3520066272 is about 1521.1905308077.

The spelling of 3520066272 in words is "three billion, five hundred twenty million, sixty-six thousand, two hundred seventy-two".