84070564 has 6 divisors (see below), whose sum is σ = 147123494. Its totient is φ = 42035280.

The previous prime is 84070499. The next prime is 84070583. The reversal of 84070564 is 46507048.

It can be written as a sum of positive squares in only one way, i.e., 80102500 + 3968064 = 8950^2 + 1992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10508817 + ... + 10508824.

Almost surely, 2^84070564 is an apocalyptic number.

It is an amenable number.

84070564 is a deficient number, since it is larger than the sum of its proper divisors (63052930).

84070564 is a wasteful number, since it uses less digits than its factorization.

84070564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21017645 (or 21017643 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 84070564 is about 9169.0001635947. Note that the first 3 decimals coincide. The cubic root of 84070564 is about 438.0745131530.

The spelling of 84070564 in words is "eighty-four million, seventy thousand, five hundred sixty-four".