1070886728 has 32 divisors (see below), whose sum is σ = 2081289600. Its totient is φ = 516217152.

The previous prime is 1070886727. The next prime is 1070886787. The reversal of 1070886728 is 8276880701.

It is a happy number.

It is a super-2 number, since 2×1070886728² = 2293596768413091968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (1070886727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3938 + ... + 46446.

It is an arithmetic number, because the mean of its divisors is an integer number (65040300).

Almost surely, 2^1070886728 is an apocalyptic number.

It is an amenable number.

1070886728 is a deficient number, since it is larger than the sum of its proper divisors (1010402872).

1070886728 is a wasteful number, since it uses less digits than its factorization.

1070886728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42629 (or 42625 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 47.

The square root of 1070886728 is about 32724.4056936104. The cubic root of 1070886728 is about 1023.0915837840.

The spelling of 1070886728 in words is "one billion, seventy million, eight hundred eighty-six thousand, seven hundred twenty-eight".