70725211 has 8 divisors (see below), whose sum is σ = 71467920. Its totient is φ = 69986592.

The previous prime is 70725209. The next prime is 70725223. The reversal of 70725211 is 11252707.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70725211 - 2¹ = 70725209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70725251) 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, 43041 + ... + 44653.

It is an arithmetic number, because the mean of its divisors is an integer number (8933490).

Almost surely, 2^70725211 is an apocalyptic number.

70725211 is a deficient number, since it is larger than the sum of its proper divisors (742709).

70725211 is a wasteful number, since it uses less digits than its factorization.

70725211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 70725211 is about 8409.8282384363. The cubic root of 70725211 is about 413.5468818613.

Adding to 70725211 its reverse (11252707), we get a palindrome (81977918).

The spelling of 70725211 in words is "seventy million, seven hundred twenty-five thousand, two hundred eleven".