70666572 has 12 divisors (see below), whose sum is σ = 164888696. Its totient is φ = 23555520.

The previous prime is 70666571. The next prime is 70666573. The reversal of 70666572 is 27566607.

70666572 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (70666571) and next prime (70666573).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 70666572.

It is not an unprimeable number, because it can be changed into a prime (70666571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944429 + ... + 2944452.

Almost surely, 2^70666572 is an apocalyptic number.

It is an amenable number.

70666572 is an abundant number, since it is smaller than the sum of its proper divisors (94222124).

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

70666572 is a wasteful number, since it uses less digits than its factorization.

70666572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888888 (or 5888886 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 70666572 is about 8406.3411779442. The cubic root of 70666572 is about 413.4325582685.

The spelling of 70666572 in words is "seventy million, six hundred sixty-six thousand, five hundred seventy-two".