746574784452 has 144 divisors (see below), whose sum is σ = 2279788492800. Its totient is φ = 201234559680.

The previous prime is 746574784429. The next prime is 746574784541. The reversal of 746574784452 is 254487475647.

It is a happy number.

746574784452 is a `hidden beast` number, since 7 + 4 + 6 + 574 + 7 + 8 + 4 + 4 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 746574784452.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 818127 + ... + 1470537.

Almost surely, 2^746574784452 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 746574784452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139894246400).

746574784452 is an abundant number, since it is smaller than the sum of its proper divisors (1533213708348).

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

746574784452 is a wasteful number, since it uses less digits than its factorization.

746574784452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652686 (or 652681 counting only the distinct ones).

The product of its digits is 210739200, while the sum is 63.

The spelling of 746574784452 in words is "seven hundred forty-six billion, five hundred seventy-four million, seven hundred eighty-four thousand, four hundred fifty-two".