745352540 has 24 divisors (see below), whose sum is σ = 1601643120. Its totient is φ = 291207168.

The previous prime is 745352537. The next prime is 745352567. The reversal of 745352540 is 45253547.

It is a self number, because there is not a number n which added to its sum of digits gives 745352540.

It is a congruent number.

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, 432485 + ... + 434204.

It is an arithmetic number, because the mean of its divisors is an integer number (66735130).

Almost surely, 2^745352540 is an apocalyptic number.

It is an amenable number.

745352540 is an abundant number, since it is smaller than the sum of its proper divisors (856290580).

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

745352540 is a wasteful number, since it uses less digits than its factorization.

745352540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866741 (or 866739 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 745352540 is about 27301.1453972173. The cubic root of 745352540 is about 906.6797410768.

The spelling of 745352540 in words is "seven hundred forty-five million, three hundred fifty-two thousand, five hundred forty".