7454240729 has 16 divisors (see below), whose sum is σ = 8397696384. Its totient is φ = 6565152000.

The previous prime is 7454240713. The next prime is 7454240747. The reversal of 7454240729 is 9270424547.

It is a cyclic number.

It is not a de Polignac number, because 7454240729 - 2⁴ = 7454240713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7454240729.

It is not an unprimeable number, because it can be changed into a prime (7454240929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88814 + ... + 150984.

It is an arithmetic number, because the mean of its divisors is an integer number (524856024).

Almost surely, 2^7454240729 is an apocalyptic number.

It is an amenable number.

7454240729 is a deficient number, since it is larger than the sum of its proper divisors (943455655).

7454240729 is a wasteful number, since it uses less digits than its factorization.

7454240729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62608.

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 7454240729 is about 86337.9448967834. The cubic root of 7454240729 is about 1953.4447748631. Note that the first 3 decimals are identical.

The spelling of 7454240729 in words is "seven billion, four hundred fifty-four million, two hundred forty thousand, seven hundred twenty-nine".