742754457247 has 16 divisors (see below), whose sum is σ = 812810321568. Its totient is φ = 673124014080.

The previous prime is 742754457241. The next prime is 742754457251.

742754457247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 742754457247 - 2¹⁵ = 742754424479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742754457191 and 742754457200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742754457241) 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, 4456203 + ... + 4619875.

It is an arithmetic number, because the mean of its divisors is an integer number (50800645098).

Almost surely, 2^742754457247 is an apocalyptic number.

742754457247 is a deficient number, since it is larger than the sum of its proper divisors (70055864321).

742754457247 is a wasteful number, since it uses less digits than its factorization.

742754457247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164970.

The product of its digits is 61465600, while the sum is 58.

The spelling of 742754457247 in words is "seven hundred forty-two billion, seven hundred fifty-four million, four hundred fifty-seven thousand, two hundred forty-seven".