745279650 has 48 divisors (see below), whose sum is σ = 2053663200. Its totient is φ = 198740880.

The previous prime is 745279637. The next prime is 745279699. The reversal of 745279650 is 56972547.

745279650 is a `hidden beast` number, since 74 + 527 + 9 + 6 + 50 = 666.

745279650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 745279596 and 745279605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274680 + ... + 277379.

It is an arithmetic number, because the mean of its divisors is an integer number (42784650).

Almost surely, 2^745279650 is an apocalyptic number.

745279650 is an abundant number, since it is smaller than the sum of its proper divisors (1308383550).

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

745279650 is a wasteful number, since it uses less digits than its factorization.

745279650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552080 (or 552069 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 745279650 is about 27299.8104389023. The cubic root of 745279650 is about 906.6501845752.

The spelling of 745279650 in words is "seven hundred forty-five million, two hundred seventy-nine thousand, six hundred fifty".