8912745 has 48 divisors (see below), whose sum is σ = 16325712. Its totient is φ = 4492800.

The previous prime is 8912741. The next prime is 8912749. The reversal of 8912745 is 5472198.

It is an interprime number because it is at equal distance from previous prime (8912741) and next prime (8912749).

It can be written as a sum of positive squares in 8 ways, for example, as 2547216 + 6365529 = 1596^2 + 2523^2 .

It is not a de Polignac number, because 8912745 - 2² = 8912741 is a prime.

It is an Ulam number.

8912745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8912741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88195 + ... + 88295.

It is an arithmetic number, because the mean of its divisors is an integer number (340119).

Almost surely, 2^8912745 is an apocalyptic number.

It is an amenable number.

8912745 is a deficient number, since it is larger than the sum of its proper divisors (7412967).

8912745 is a wasteful number, since it uses less digits than its factorization.

8912745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 199 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 8912745 is about 2985.4220807115. The cubic root of 8912745 is about 207.3339844021. Note that the first 3 decimals are identical.

The spelling of 8912745 in words is "eight million, nine hundred twelve thousand, seven hundred forty-five".