3520081748 has 6 divisors (see below), whose sum is σ = 6160143066. Its totient is φ = 1760040872.

The previous prime is 3520081739. The next prime is 3520081757. The reversal of 3520081748 is 8471800253.

It is an interprime number because it is at equal distance from previous prime (3520081739) and next prime (3520081757).

It can be written as a sum of positive squares in only one way, i.e., 3227603344 + 292478404 = 56812^2 + 17102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440010215 + ... + 440010222.

It is an arithmetic number, because the mean of its divisors is an integer number (1026690511).

Almost surely, 2^3520081748 is an apocalyptic number.

It is an amenable number.

3520081748 is a deficient number, since it is larger than the sum of its proper divisors (2640061318).

3520081748 is a wasteful number, since it uses less digits than its factorization.

3520081748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880020441 (or 880020439 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 3520081748 is about 59330.2768238949. The cubic root of 3520081748 is about 1521.1927601133.

The spelling of 3520081748 in words is "three billion, five hundred twenty million, eighty-one thousand, seven hundred forty-eight".