748208290 has 16 divisors (see below), whose sum is σ = 1347384312. Its totient is φ = 299147904.

The previous prime is 748208189. The next prime is 748208297. The reversal of 748208290 is 92802847.

It can be written as a sum of positive squares in 4 ways, for example, as 616578561 + 131629729 = 24831^2 + 11473^2 .

It is not an unprimeable number, because it can be changed into a prime (748208297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8032 + ... + 39508.

Almost surely, 2^748208290 is an apocalyptic number.

748208290 is a deficient number, since it is larger than the sum of its proper divisors (599176022).

748208290 is a wasteful number, since it uses less digits than its factorization.

748208290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33861.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 748208290 is about 27353.3963156314. The cubic root of 748208290 is about 907.8362188182.

The spelling of 748208290 in words is "seven hundred forty-eight million, two hundred eight thousand, two hundred ninety".