742028450 has 12 divisors (see below), whose sum is σ = 1380173010. Its totient is φ = 296811360.

The previous prime is 742028449. The next prime is 742028453. The reversal of 742028450 is 54820247.

It can be written as a sum of positive squares in 3 ways, for example, as 498137761 + 243890689 = 22319^2 + 15617^2 .

It is not an unprimeable number, because it can be changed into a prime (742028453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7420235 + ... + 7420334.

Almost surely, 2^742028450 is an apocalyptic number.

742028450 is a deficient number, since it is larger than the sum of its proper divisors (638144560).

742028450 is a wasteful number, since it uses less digits than its factorization.

742028450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14840581 (or 14840576 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 742028450 is about 27240.1991549254. The cubic root of 742028450 is about 905.3298757763.

Adding to 742028450 its reverse (54820247), we get a palindrome (796848697).

The spelling of 742028450 in words is "seven hundred forty-two million, twenty-eight thousand, four hundred fifty".