70864722 has 12 divisors (see below), whose sum is σ = 153540270. Its totient is φ = 23621568.

The previous prime is 70864711. The next prime is 70864727. The reversal of 70864722 is 22746807.

70864722 is a `hidden beast` number, since 7 + 0 + 8 + 647 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68211081 + 2653641 = 8259^2 + 1629^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70864727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1968447 + ... + 1968482.

Almost surely, 2^70864722 is an apocalyptic number.

70864722 is an abundant number, since it is smaller than the sum of its proper divisors (82675548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70864722 is a wasteful number, since it uses less digits than its factorization.

70864722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936937 (or 3936934 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70864722 is about 8418.1186734329. The cubic root of 70864722 is about 413.8186211002.

The spelling of 70864722 in words is "seventy million, eight hundred sixty-four thousand, seven hundred twenty-two".