70662713 has 4 divisors (see below), whose sum is σ = 77086608. Its totient is φ = 64238820.

The previous prime is 70662701. The next prime is 70662719. The reversal of 70662713 is 31726607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70662713 - 2¹² = 70658617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70662713.

It is not an unprimeable number, because it can be changed into a prime (70662719) 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 3 ways as a sum of consecutive naturals, for example, 3211931 + ... + 3211952.

It is an arithmetic number, because the mean of its divisors is an integer number (19271652).

Almost surely, 2^70662713 is an apocalyptic number.

It is an amenable number.

70662713 is a deficient number, since it is larger than the sum of its proper divisors (6423895).

70662713 is a wasteful number, since it uses less digits than its factorization.

70662713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423894.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 70662713 is about 8406.1116457016. Note that the first 3 decimals coincide. The cubic root of 70662713 is about 413.4250324788.

It can be divided in two parts, 7066 and 2713, that added together give a palindrome (9779).

The spelling of 70662713 in words is "seventy million, six hundred sixty-two thousand, seven hundred thirteen".