7347657642 has 64 divisors (see below), whose sum is σ = 16290046080. Its totient is φ = 2195020800.

The previous prime is 7347657641. The next prime is 7347657643. The reversal of 7347657642 is 2467567437.

It is an interprime number because it is at equal distance from previous prime (7347657641) and next prime (7347657643).

It is not an unprimeable number, because it can be changed into a prime (7347657641) 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, 669334 + ... + 680222.

It is an arithmetic number, because the mean of its divisors is an integer number (254531970).

Almost surely, 2^7347657642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7347657642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8145023040).

7347657642 is an abundant number, since it is smaller than the sum of its proper divisors (8942388438).

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

7347657642 is a wasteful number, since it uses less digits than its factorization.

7347657642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159.

The product of its digits is 5927040, while the sum is 51.

The square root of 7347657642 is about 85718.4789995716. The cubic root of 7347657642 is about 1944.0897216588.

The spelling of 7347657642 in words is "seven billion, three hundred forty-seven million, six hundred fifty-seven thousand, six hundred forty-two".