3745621297 has 16 divisors (see below), whose sum is σ = 4406109120. Its totient is φ = 3147206400.

The previous prime is 3745621249. The next prime is 3745621307. The reversal of 3745621297 is 7921265473.

3745621297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3745621297 - 2¹⁹ = 3745097009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3745621697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209988 + ... + 227125.

It is an arithmetic number, because the mean of its divisors is an integer number (275381820).

Almost surely, 2^3745621297 is an apocalyptic number.

It is an amenable number.

3745621297 is a deficient number, since it is larger than the sum of its proper divisors (660487823).

3745621297 is a wasteful number, since it uses less digits than its factorization.

3745621297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437184.

The product of its digits is 635040, while the sum is 46.

The square root of 3745621297 is about 61201.4811667169. The cubic root of 3745621297 is about 1553.0113219859.

The spelling of 3745621297 in words is "three billion, seven hundred forty-five million, six hundred twenty-one thousand, two hundred ninety-seven".