3705392641 has 8 divisors (see below), whose sum is σ = 3926780424. Its totient is φ = 3484385280.

The previous prime is 3705392629. The next prime is 3705392653. The reversal of 3705392641 is 1462935073.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3705392629) and next prime (3705392653).

It can be written as a sum of positive squares in 4 ways, for example, as 602457025 + 3102935616 = 24545^2 + 55704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3705392641 - 2⁹ = 3705392129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3705392594 and 3705392603.

It is not an unprimeable number, because it can be changed into a prime (3705392441) by changing a digit.

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, 74920 + ... + 114121.

It is an arithmetic number, because the mean of its divisors is an integer number (490847553).

Almost surely, 2^3705392641 is an apocalyptic number.

It is an amenable number.

3705392641 is a deficient number, since it is larger than the sum of its proper divisors (221387783).

3705392641 is a wasteful number, since it uses less digits than its factorization.

3705392641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190211.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3705392641 is about 60871.9363992965. The cubic root of 3705392641 is about 1547.4314227064.

The spelling of 3705392641 in words is "three billion, seven hundred five million, three hundred ninety-two thousand, six hundred forty-one".