70620814 has 16 divisors (see below), whose sum is σ = 117288576. Its totient is φ = 31620600.

The previous prime is 70620811. The next prime is 70620841. The reversal of 70620814 is 41802607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70620811) 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 7 ways as a sum of consecutive naturals, for example, 22482 + ... + 25429.

It is an arithmetic number, because the mean of its divisors is an integer number (7330536).

Almost surely, 2^70620814 is an apocalyptic number.

70620814 is a deficient number, since it is larger than the sum of its proper divisors (46667762).

70620814 is a wasteful number, since it uses less digits than its factorization.

70620814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47991.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 70620814 is about 8403.6191013158. The cubic root of 70620814 is about 413.3433037542.

The spelling of 70620814 in words is "seventy million, six hundred twenty thousand, eight hundred fourteen".