8742756403 has 4 divisors (see below), whose sum is σ = 8749941480. Its totient is φ = 8735571328.

The previous prime is 8742756397. The next prime is 8742756419. The reversal of 8742756403 is 3046572478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3046572478 = 2 ⋅1523286239.

It is a cyclic number.

It is not a de Polignac number, because 8742756403 - 2⁹ = 8742755891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8742756433) 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, 3590713 + ... + 3593146.

It is an arithmetic number, because the mean of its divisors is an integer number (2187485370).

Almost surely, 2^8742756403 is an apocalyptic number.

8742756403 is a deficient number, since it is larger than the sum of its proper divisors (7185077).

8742756403 is a wasteful number, since it uses less digits than its factorization.

8742756403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7185076.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 8742756403 is about 93502.7079982179. The cubic root of 8742756403 is about 2060.0738656864.

The spelling of 8742756403 in words is "eight billion, seven hundred forty-two million, seven hundred fifty-six thousand, four hundred three".