70520214 has 16 divisors (see below), whose sum is σ = 141382080. Its totient is φ = 23449800.

The previous prime is 70520173. The next prime is 70520221. The reversal of 70520214 is 41202507.

It is a Curzon number.

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, 11512 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (8836380).

Almost surely, 2^70520214 is an apocalyptic number.

70520214 is an abundant number, since it is smaller than the sum of its proper divisors (70861866).

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

70520214 is a wasteful number, since it uses less digits than its factorization.

70520214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28475.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 70520214 is about 8397.6314517845. The cubic root of 70520214 is about 413.1469400362.

The spelling of 70520214 in words is "seventy million, five hundred twenty thousand, two hundred fourteen".