3745624213 has 4 divisors (see below), whose sum is σ = 3801529120. Its totient is φ = 3689719308.

The previous prime is 3745624199. The next prime is 3745624279. The reversal of 3745624213 is 3124265473.

3745624213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3124265473 = 7 ⋅446323639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745624213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745621213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27952353 + ... + 27952486.

It is an arithmetic number, because the mean of its divisors is an integer number (950382280).

Almost surely, 2^3745624213 is an apocalyptic number.

It is an amenable number.

3745624213 is a deficient number, since it is larger than the sum of its proper divisors (55904907).

3745624213 is an equidigital number, since it uses as much as digits as its factorization.

3745624213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55904906.

The product of its digits is 120960, while the sum is 37.

The square root of 3745624213 is about 61201.5049896651. The cubic root of 3745624213 is about 1553.0117249969.

Adding to 3745624213 its reverse (3124265473), we get a palindrome (6869889686).

The spelling of 3745624213 in words is "three billion, seven hundred forty-five million, six hundred twenty-four thousand, two hundred thirteen".