745900672 has 128 divisors (see below), whose sum is σ = 1748459520. Its totient is φ = 313420800.

The previous prime is 745900637. The next prime is 745900679. The reversal of 745900672 is 276009547.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (745900679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003533 + ... + 1004275.

It is an arithmetic number, because the mean of its divisors is an integer number (13659840).

Almost surely, 2^745900672 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 745900672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874229760).

745900672 is an abundant number, since it is smaller than the sum of its proper divisors (1002558848).

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

745900672 is a wasteful number, since it uses less digits than its factorization.

745900672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 745900672 is about 27311.1821787340. The cubic root of 745900672 is about 906.9019439391.

The spelling of 745900672 in words is "seven hundred forty-five million, nine hundred thousand, six hundred seventy-two".