742474525474247 has 4 divisors (see below), whose sum is σ = 742481780768016. Its totient is φ = 742467270180480.

The previous prime is 742474525474237. The next prime is 742474525474273.

742474525474247 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742474525474247 - 2⁸ = 742474525473991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742474525474217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3627493379 + ... + 3627698052.

It is an arithmetic number, because the mean of its divisors is an integer number (185620445192004).

Almost surely, 2^{742474525474247} is an apocalyptic number.

742474525474247 is a deficient number, since it is larger than the sum of its proper divisors (7255293769).

742474525474247 is a wasteful number, since it uses less digits than its factorization.

742474525474247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255293768.

The product of its digits is 1966899200, while the sum is 68.

The spelling of 742474525474247 in words is "seven hundred forty-two trillion, four hundred seventy-four billion, five hundred twenty-five million, four hundred seventy-four thousand, two hundred forty-seven".