745183786032 has 180 divisors, whose sum is σ = 2455196529240. Its totient is φ = 210344311296.

The previous prime is 745183786019. The next prime is 745183786033. The reversal of 745183786032 is 230687381547.

It is a happy number.

745183786032 is a `hidden beast` number, since 7 + 4 + 518 + 37 + 8 + 60 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 745183786032.

It is not an unprimeable number, because it can be changed into a prime (745183786033) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50557 + ... + 1221852.

It is an arithmetic number, because the mean of its divisors is an integer number (13639980718).

Almost surely, 2^745183786032 is an apocalyptic number.

745183786032 is a gapful number since it is divisible by the number (72) 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 745183786032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227598264620).

745183786032 is an abundant number, since it is smaller than the sum of its proper divisors (1710012743208).

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

745183786032 is a wasteful number, since it uses less digits than its factorization.

745183786032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272520 (or 1272504 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 745183786032 in words is "seven hundred forty-five billion, one hundred eighty-three million, seven hundred eighty-six thousand, thirty-two".