704373791940 has 864 divisors, whose sum is σ = 2771472727296. Its totient is φ = 147022387200.

The previous prime is 704373791911. The next prime is 704373791959. The reversal of 704373791940 is 49197373407.

704373791940 is a `hidden beast` number, since 7 + 0 + 437 + 37 + 91 + 94 + 0 = 666.

It is a super-2 number, since 2×704373791940² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 580686774 + ... + 580687986.

It is an arithmetic number, because the mean of its divisors is an integer number (3207723064).

Almost surely, 2^704373791940 is an apocalyptic number.

704373791940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704373791940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385736363648).

704373791940 is an abundant number, since it is smaller than the sum of its proper divisors (2067098935356).

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

704373791940 is a wasteful number, since it uses less digits than its factorization.

704373791940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 704373791940 in words is "seven hundred four billion, three hundred seventy-three million, seven hundred ninety-one thousand, nine hundred forty".