74246664246 has 32 divisors (see below), whose sum is σ = 157578501600. Its totient is φ = 23241179136.

The previous prime is 74246664241. The next prime is 74246664259. The reversal of 74246664246 is 64246664247.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74246664241) 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, 764791 + ... + 856386.

It is an arithmetic number, because the mean of its divisors is an integer number (4924328175).

Almost surely, 2^74246664246 is an apocalyptic number.

74246664246 is an abundant number, since it is smaller than the sum of its proper divisors (83331837354).

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

74246664246 is a wasteful number, since it uses less digits than its factorization.

74246664246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621648.

The product of its digits is 9289728, while the sum is 51.

Subtracting from 74246664246 its reverse (64246664247), we obtain a palindrome (9999999999).

The spelling of 74246664246 in words is "seventy-four billion, two hundred forty-six million, six hundred sixty-four thousand, two hundred forty-six".