7227440742 has 64 divisors (see below), whose sum is σ = 15948472320. Its totient is φ = 2173320864.

The previous prime is 7227440699. The next prime is 7227440749. The reversal of 7227440742 is 2470447227.

It is a self number, because there is not a number n which added to its sum of digits gives 7227440742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227440749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589123 + ... + 601265.

It is an arithmetic number, because the mean of its divisors is an integer number (249194880).

Almost surely, 2^7227440742 is an apocalyptic number.

7227440742 is an abundant number, since it is smaller than the sum of its proper divisors (8721031578).

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

7227440742 is a wasteful number, since it uses less digits than its factorization.

7227440742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417.

The product of its (nonzero) digits is 175616, while the sum is 39.

The square root of 7227440742 is about 85014.3560935446. The cubic root of 7227440742 is about 1933.4287838791.

Adding to 7227440742 its reverse (2470447227), we get a palindrome (9697887969).

The spelling of 7227440742 in words is "seven billion, two hundred twenty-seven million, four hundred forty thousand, seven hundred forty-two".