70622013 has 24 divisors (see below), whose sum is σ = 118291264. Its totient is φ = 36685440.

The previous prime is 70621963. The next prime is 70622017. The reversal of 70622013 is 31022607.

It is a happy number.

It is not a de Polignac number, because 70622013 - 2¹⁰ = 70620989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70622017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11356 + ... + 16437.

Almost surely, 2^70622013 is an apocalyptic number.

It is an amenable number.

70622013 is a deficient number, since it is larger than the sum of its proper divisors (47669251).

70622013 is a wasteful number, since it uses less digits than its factorization.

70622013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27825 (or 27814 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 70622013 is about 8403.6904393249. The cubic root of 70622013 is about 413.3456429881.

The spelling of 70622013 in words is "seventy million, six hundred twenty-two thousand, thirteen".