746689947696 has 400 divisors, whose sum is σ = 2711623706880. Its totient is φ = 192706076160.

The previous prime is 746689947643. The next prime is 746689947701. The reversal of 746689947696 is 696749986647.

746689947696 is a `hidden beast` number, since 7 + 4 + 66 + 89 + 9 + 476 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15643515 + ... + 15691173.

Almost surely, 2^746689947696 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 746689947696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355811853440).

746689947696 is an abundant number, since it is smaller than the sum of its proper divisors (1964933759184).

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

746689947696 is a wasteful number, since it uses less digits than its factorization.

746689947696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47854 (or 47839 counting only the distinct ones).

The product of its digits is 5925685248, while the sum is 81.

The spelling of 746689947696 in words is "seven hundred forty-six billion, six hundred eighty-nine million, nine hundred forty-seven thousand, six hundred ninety-six".