8997742 has 16 divisors (see below), whose sum is σ = 14599872. Its totient is φ = 4134240.

The previous prime is 8997733. The next prime is 8997767. The reversal of 8997742 is 2477998.

8997742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8997742² = 161918722197128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8997692 and 8997701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6408 + ... + 7684.

It is an arithmetic number, because the mean of its divisors is an integer number (912492).

Almost surely, 2^8997742 is an apocalyptic number.

8997742 is a deficient number, since it is larger than the sum of its proper divisors (5602130).

8997742 is a wasteful number, since it uses less digits than its factorization.

8997742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its digits is 254016, while the sum is 46.

The square root of 8997742 is about 2999.6236430592. The cubic root of 8997742 is about 207.9909851862.

The spelling of 8997742 in words is "eight million, nine hundred ninety-seven thousand, seven hundred forty-two".