62773242644 has 48 divisors (see below), whose sum is σ = 132309004800. Its totient is φ = 25457024736.

The previous prime is 62773242589. The next prime is 62773242661. The reversal of 62773242644 is 44624237726.

It is a happy number.

It is a super-2 number, since 2×62773242644² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388307 + ... + 525669.

It is an arithmetic number, because the mean of its divisors is an integer number (2756437600).

Almost surely, 2^62773242644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62773242644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66154502400).

62773242644 is an abundant number, since it is smaller than the sum of its proper divisors (69535762156).

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

62773242644 is a wasteful number, since it uses less digits than its factorization.

62773242644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138252 (or 138250 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 47.

The spelling of 62773242644 in words is "sixty-two billion, seven hundred seventy-three million, two hundred forty-two thousand, six hundred forty-four".