745547436 has 24 divisors (see below), whose sum is σ = 1932901040. Its totient is φ = 248515776.

The previous prime is 745547401. The next prime is 745547437. The reversal of 745547436 is 634745547.

745547436 is a `hidden beast` number, since 74 + 5 + 547 + 4 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 745547391 and 745547400.

It is not an unprimeable number, because it can be changed into a prime (745547437) 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 7 ways as a sum of consecutive naturals, for example, 3451501 + ... + 3451716.

Almost surely, 2^745547436 is an apocalyptic number.

It is an amenable number.

745547436 is an abundant number, since it is smaller than the sum of its proper divisors (1187353604).

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

745547436 is a wasteful number, since it uses less digits than its factorization.

745547436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903230 (or 6903222 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 45.

The square root of 745547436 is about 27304.7145379694. The cubic root of 745547436 is about 906.7587608899.

The spelling of 745547436 in words is "seven hundred forty-five million, five hundred forty-seven thousand, four hundred thirty-six".