7742315432047 has 16 divisors (see below), whose sum is σ = 9233458762752. Its totient is φ = 6347470852800.

The previous prime is 7742315431997. The next prime is 7742315432053. The reversal of 7742315432047 is 7402345132477.

It is not a de Polignac number, because 7742315432047 - 2¹⁵ = 7742315399279 is a prime.

It is a super-2 number, since 2×7742315432047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742315432057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892723 + ... + 4883899.

It is an arithmetic number, because the mean of its divisors is an integer number (577091172672).

Almost surely, 2^{7742315432047} is an apocalyptic number.

7742315432047 is a deficient number, since it is larger than the sum of its proper divisors (1491143330705).

7742315432047 is a wasteful number, since it uses less digits than its factorization.

7742315432047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015358.

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 7742315432047 in words is "seven trillion, seven hundred forty-two billion, three hundred fifteen million, four hundred thirty-two thousand, forty-seven".