2071478745 has 96 divisors (see below), whose sum is σ = 4350769920. Its totient is φ = 916012800.

The previous prime is 2071478719. The next prime is 2071478767. The reversal of 2071478745 is 5478741702.

It is not a de Polignac number, because 2071478745 - 2⁸ = 2071478489 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2071478745.

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 95 ways as a sum of consecutive naturals, for example, 907005 + ... + 909285.

It is an arithmetic number, because the mean of its divisors is an integer number (45320520).

Almost surely, 2^2071478745 is an apocalyptic number.

It is an amenable number.

2071478745 is an abundant number, since it is smaller than the sum of its proper divisors (2279291175).

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

2071478745 is a wasteful number, since it uses less digits than its factorization.

2071478745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The square root of 2071478745 is about 45513.5006893559. The cubic root of 2071478745 is about 1274.7553025217.

The spelling of 2071478745 in words is "two billion, seventy-one million, four hundred seventy-eight thousand, seven hundred forty-five".