742277772247 has 8 divisors (see below), whose sum is σ = 811069988112. Its totient is φ = 673704292800.

The previous prime is 742277772241. The next prime is 742277772289.

742277772247 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-742277772247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742277772191 and 742277772200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742277772241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54677004 + ... + 54690577.

It is an arithmetic number, because the mean of its divisors is an integer number (101383748514).

Almost surely, 2^742277772247 is an apocalyptic number.

742277772247 is a deficient number, since it is larger than the sum of its proper divisors (68792215865).

742277772247 is a wasteful number, since it uses less digits than its factorization.

742277772247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109368209.

The product of its digits is 30118144, while the sum is 58.

The spelling of 742277772247 in words is "seven hundred forty-two billion, two hundred seventy-seven million, seven hundred seventy-two thousand, two hundred forty-seven".