745822290 has 32 divisors (see below), whose sum is σ = 1851698880. Its totient is φ = 192027584.

The previous prime is 745822271. The next prime is 745822291. The reversal of 745822290 is 92228547.

It is not an unprimeable number, because it can be changed into a prime (745822291) 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, 427764 + ... + 429503.

It is an arithmetic number, because the mean of its divisors is an integer number (57865590).

Almost surely, 2^745822290 is an apocalyptic number.

745822290 is an abundant number, since it is smaller than the sum of its proper divisors (1105876590).

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

745822290 is a wasteful number, since it uses less digits than its factorization.

745822290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857306.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 745822290 is about 27309.7471610412. The cubic root of 745822290 is about 906.8701759566.

The spelling of 745822290 in words is "seven hundred forty-five million, eight hundred twenty-two thousand, two hundred ninety".