745605940 has 48 divisors (see below), whose sum is σ = 1592091648. Its totient is φ = 293255424.

The previous prime is 745605929. The next prime is 745605943. The reversal of 745605940 is 49506547.

It is a junction number, because it is equal to n+sod(n) for n = 745605893 and 745605902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745605943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675429 + ... + 676531.

It is an arithmetic number, because the mean of its divisors is an integer number (33168576).

Almost surely, 2^745605940 is an apocalyptic number.

It is an amenable number.

745605940 is an abundant number, since it is smaller than the sum of its proper divisors (846485708).

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

745605940 is a wasteful number, since it uses less digits than its factorization.

745605940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 745605940 is about 27305.7858337752. The cubic root of 745605940 is about 906.7824784181.

The spelling of 745605940 in words is "seven hundred forty-five million, six hundred five thousand, nine hundred forty".