3729718648 has 8 divisors (see below), whose sum is σ = 6993222480. Its totient is φ = 1864859320.

The previous prime is 3729718633. The next prime is 3729718661. The reversal of 3729718648 is 8468179273.

It is a tau number, because it is divible by the number of its divisors (8).

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, 233107408 + ... + 233107423.

It is an arithmetic number, because the mean of its divisors is an integer number (874152810).

Almost surely, 2^3729718648 is an apocalyptic number.

It is an amenable number.

3729718648 is a deficient number, since it is larger than the sum of its proper divisors (3263503832).

3729718648 is a wasteful number, since it uses less digits than its factorization.

3729718648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466214837 (or 466214833 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 3729718648 is about 61071.4225149538. The cubic root of 3729718648 is about 1550.8103494928.

It can be divided in two parts, 37297 and 18648, that multiplied together give a triangular number (695514456 = T₃₇₂₉₆).

The spelling of 3729718648 in words is "three billion, seven hundred twenty-nine million, seven hundred eighteen thousand, six hundred forty-eight".