747306242 has 16 divisors (see below), whose sum is σ = 1170135672. Its totient is φ = 357592320.

The previous prime is 747306239. The next prime is 747306257. The reversal of 747306242 is 242603747.

It can be written as a sum of positive squares in 4 ways, for example, as 459630721 + 287675521 = 21439^2 + 16961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78263 + ... + 87290.

Almost surely, 2^747306242 is an apocalyptic number.

747306242 is a deficient number, since it is larger than the sum of its proper divisors (422829430).

747306242 is a wasteful number, since it uses less digits than its factorization.

747306242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165653.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 747306242 is about 27336.9025677746. The cubic root of 747306242 is about 907.4712397192.

Adding to 747306242 its reverse (242603747), we get a palindrome (989909989).

The spelling of 747306242 in words is "seven hundred forty-seven million, three hundred six thousand, two hundred forty-two".