8742007457 has 12 divisors (see below), whose sum is σ = 9264443760. Its totient is φ = 8244232752.

The previous prime is 8742007433. The next prime is 8742007481. The reversal of 8742007457 is 7547002478.

It is an interprime number because it is at equal distance from previous prime (8742007433) and next prime (8742007481).

It is not a de Polignac number, because 8742007457 - 2¹⁰ = 8742006433 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8742007957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84707 + ... + 157032.

It is an arithmetic number, because the mean of its divisors is an integer number (772036980).

Almost surely, 2^8742007457 is an apocalyptic number.

It is an amenable number.

8742007457 is a deficient number, since it is larger than the sum of its proper divisors (522436303).

8742007457 is a wasteful number, since it uses less digits than its factorization.

8742007457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241840 (or 241811 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 44.

The square root of 8742007457 is about 93498.7029696134. The cubic root of 8742007457 is about 2060.0150387723.

The spelling of 8742007457 in words is "eight billion, seven hundred forty-two million, seven thousand, four hundred fifty-seven".