74362112641 has 8 divisors (see below), whose sum is σ = 75479601384. Its totient is φ = 73252099200.

The previous prime is 74362112639. The next prime is 74362112687. The reversal of 74362112641 is 14621126347.

It can be written as a sum of positive squares in 4 ways, for example, as 57018276225 + 17343836416 = 238785^2 + 131696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74362112641 - 2¹ = 74362112639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74362112641.

It is not an unprimeable number, because it can be changed into a prime (74366112641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848780 + ... + 1888573.

It is an arithmetic number, because the mean of its divisors is an integer number (9434950173).

Almost surely, 2^74362112641 is an apocalyptic number.

It is an amenable number.

74362112641 is a deficient number, since it is larger than the sum of its proper divisors (1117488743).

74362112641 is a wasteful number, since it uses less digits than its factorization.

74362112641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737651.

The product of its digits is 48384, while the sum is 37.

Adding to 74362112641 its reverse (14621126347), we get a palindrome (88983238988).

The spelling of 74362112641 in words is "seventy-four billion, three hundred sixty-two million, one hundred twelve thousand, six hundred forty-one".