64741702740 has 96 divisors (see below), whose sum is σ = 212968538496. Its totient is φ = 14487651840.

The previous prime is 64741702723. The next prime is 64741702747. The reversal of 64741702740 is 4720714746.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64741702692 and 64741702701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64741702747) 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, 3764247 + ... + 3781406.

It is an arithmetic number, because the mean of its divisors is an integer number (2218422276).

Almost surely, 2^64741702740 is an apocalyptic number.

64741702740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64741702740 is an abundant number, since it is smaller than the sum of its proper divisors (148226835756).

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

64741702740 is a wasteful number, since it uses less digits than its factorization.

64741702740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545689 (or 7545687 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 64741702740 in words is "sixty-four billion, seven hundred forty-one million, seven hundred two thousand, seven hundred forty".