745351980 has 24 divisors (see below), whose sum is σ = 2086985712. Its totient is φ = 198760512.

The previous prime is 745351979. The next prime is 745351993. The reversal of 745351980 is 89153547.

745351980 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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, 6211207 + ... + 6211326.

It is an arithmetic number, because the mean of its divisors is an integer number (86957738).

Almost surely, 2^745351980 is an apocalyptic number.

It is an amenable number.

745351980 is an abundant number, since it is smaller than the sum of its proper divisors (1341633732).

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

745351980 is a wasteful number, since it uses less digits than its factorization.

745351980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12422545 (or 12422543 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 745351980 is about 27301.1351412354. The cubic root of 745351980 is about 906.6795140072.

The spelling of 745351980 in words is "seven hundred forty-five million, three hundred fifty-one thousand, nine hundred eighty".