7872403743 has 32 divisors (see below), whose sum is σ = 11766955200. Its totient is φ = 5201584128.

The previous prime is 7872403733. The next prime is 7872403787. The reversal of 7872403743 is 3473042787.

It is a de Polignac number, because none of the positive numbers 2^k-7872403743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872403733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833343 + ... + 1837631.

It is an arithmetic number, because the mean of its divisors is an integer number (367717350).

Almost surely, 2^7872403743 is an apocalyptic number.

7872403743 is a deficient number, since it is larger than the sum of its proper divisors (3894551457).

7872403743 is a wasteful number, since it uses less digits than its factorization.

7872403743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888 (or 4882 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 7872403743 is about 88726.5672896230. The cubic root of 7872403743 is about 1989.3099417129.

The spelling of 7872403743 in words is "seven billion, eight hundred seventy-two million, four hundred three thousand, seven hundred forty-three".