8742788 has 6 divisors (see below), whose sum is σ = 15299886. Its totient is φ = 4371392.

The previous prime is 8742787. The next prime is 8742817. The reversal of 8742788 is 8872478.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 2096704 = 2578^2 + 1448^2 .

It is not an unprimeable number, because it can be changed into a prime (8742787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092845 + ... + 1092852.

It is an arithmetic number, because the mean of its divisors is an integer number (2549981).

Almost surely, 2^8742788 is an apocalyptic number.

It is an amenable number.

8742788 is a deficient number, since it is larger than the sum of its proper divisors (6557098).

8742788 is a wasteful number, since it uses less digits than its factorization.

8742788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185701 (or 2185699 counting only the distinct ones).

The product of its digits is 200704, while the sum is 44.

The square root of 8742788 is about 2956.8205897552. The cubic root of 8742788 is about 206.0076347439.

It can be divided in two parts, 87 and 42788, that added together give a cube (42875 = 35³).

The spelling of 8742788 in words is "eight million, seven hundred forty-two thousand, seven hundred eighty-eight".