745816704 has 64 divisors (see below), whose sum is σ = 2001599040. Its totient is φ = 246030336.

The previous prime is 745816663. The next prime is 745816723. The reversal of 745816704 is 407618547.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×745816704³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27237 + ... + 47259.

It is an arithmetic number, because the mean of its divisors is an integer number (31274985).

Almost surely, 2^745816704 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 745816704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000799520).

745816704 is an abundant number, since it is smaller than the sum of its proper divisors (1255782336).

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

745816704 is a wasteful number, since it uses less digits than its factorization.

745816704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20137 (or 20125 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 745816704 is about 27309.6448896722. The cubic root of 745816704 is about 906.8679118831.

The spelling of 745816704 in words is "seven hundred forty-five million, eight hundred sixteen thousand, seven hundred four".