745562880 has 504 divisors, whose sum is σ = 2895383232. Its totient is φ = 183140352.

The previous prime is 745562861. The next prime is 745562891. The reversal of 745562880 is 88265547.

745562880 is a `hidden beast` number, since 7 + 4 + 5 + 562 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 15863017 + ... + 15863063.

It is an arithmetic number, because the mean of its divisors is an integer number (5744808).

Almost surely, 2^745562880 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 745562880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447691616).

745562880 is an abundant number, since it is smaller than the sum of its proper divisors (2149820352).

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

745562880 is an equidigital number, since it uses as much as digits as its factorization.

745562880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 745562880 is about 27304.9973448085. The cubic root of 745562880 is about 906.7650220097.

The spelling of 745562880 in words is "seven hundred forty-five million, five hundred sixty-two thousand, eight hundred eighty".