3772622745 has 48 divisors (see below), whose sum is σ = 6930144000. Its totient is φ = 1891994112.

The previous prime is 3772622723. The next prime is 3772622797. The reversal of 3772622745 is 5472262773.

3772622745 is a `hidden beast` number, since 377 + 2 + 6 + 2 + 274 + 5 = 666.

It is not a de Polignac number, because 3772622745 - 2⁷ = 3772622617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3772622745.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1528002 + ... + 1530468.

It is an arithmetic number, because the mean of its divisors is an integer number (144378000).

Almost surely, 2^3772622745 is an apocalyptic number.

It is an amenable number.

3772622745 is a deficient number, since it is larger than the sum of its proper divisors (3157521255).

3772622745 is a wasteful number, since it uses less digits than its factorization.

3772622745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494 (or 4491 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 3772622745 is about 61421.6797637447. The cubic root of 3772622745 is about 1556.7341749895.

The spelling of 3772622745 in words is "three billion, seven hundred seventy-two million, six hundred twenty-two thousand, seven hundred forty-five".