742847748247 has 16 divisors (see below), whose sum is σ = 831841414272. Its totient is φ = 657530183520.

The previous prime is 742847748229. The next prime is 742847748277.

742847748247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742847748247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742847748217) 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, 2327193 + ... + 2627074.

It is an arithmetic number, because the mean of its divisors is an integer number (51990088392).

Almost surely, 2^742847748247 is an apocalyptic number.

742847748247 is a deficient number, since it is larger than the sum of its proper divisors (88993666025).

742847748247 is a wasteful number, since it uses less digits than its factorization.

742847748247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954638.

The product of its digits is 157351936, while the sum is 64.

The spelling of 742847748247 in words is "seven hundred forty-two billion, eight hundred forty-seven million, seven hundred forty-eight thousand, two hundred forty-seven".