47642705747 has 64 divisors (see below), whose sum is σ = 61960550400. Its totient is φ = 35603656704.

The previous prime is 47642705731. The next prime is 47642705791. The reversal of 47642705747 is 74750724674.

It is not a de Polignac number, because 47642705747 - 2⁴ = 47642705731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47642701747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70791203 + ... + 70791875.

It is an arithmetic number, because the mean of its divisors is an integer number (968133600).

Almost surely, 2^47642705747 is an apocalyptic number.

47642705747 is a deficient number, since it is larger than the sum of its proper divisors (14317844653).

47642705747 is a wasteful number, since it uses less digits than its factorization.

47642705747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 9219840, while the sum is 53.

The spelling of 47642705747 in words is "forty-seven billion, six hundred forty-two million, seven hundred five thousand, seven hundred forty-seven".