70706272 has 48 divisors (see below), whose sum is σ = 171333792. Its totient is φ = 27970560.

The previous prime is 70706227. The next prime is 70706299. The reversal of 70706272 is 27260707.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9229 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (3569454).

Almost surely, 2^70706272 is an apocalyptic number.

It is an amenable number.

70706272 is an abundant number, since it is smaller than the sum of its proper divisors (100627520).

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

70706272 is a wasteful number, since it uses less digits than its factorization.

70706272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24311 (or 24303 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 70706272 is about 8408.7021590731. The cubic root of 70706272 is about 413.5099649755.

Adding to 70706272 its reverse (27260707), we get a palindrome (97966979).

The spelling of 70706272 in words is "seventy million, seven hundred six thousand, two hundred seventy-two".