3746313640 has 32 divisors (see below), whose sum is σ = 8657025480. Its totient is φ = 1458024192.

The previous prime is 3746313629. The next prime is 3746313653. The reversal of 3746313640 is 463136473.

It can be written as a sum of positive squares in 4 ways, for example, as 3743237124 + 3076516 = 61182^2 + 1754^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 3746313640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264167 + ... + 1267126.

Almost surely, 2^3746313640 is an apocalyptic number.

It is an amenable number.

3746313640 is an abundant number, since it is smaller than the sum of its proper divisors (4910711840).

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

3746313640 is a wasteful number, since it uses less digits than its factorization.

3746313640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531341 (or 2531337 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 3746313640 is about 61207.1371655300. The cubic root of 3746313640 is about 1553.1070026213.

It can be divided in two parts, 3746313 and 640, that added together give a triangular number (3746953 = T₂₇₃₇).

The spelling of 3746313640 in words is "three billion, seven hundred forty-six million, three hundred thirteen thousand, six hundred forty".