70215620061 has 16 divisors (see below), whose sum is σ = 95957985024. Its totient is φ = 45649026624.

The previous prime is 70215620029. The next prime is 70215620063. The reversal of 70215620061 is 16002651207.

It is not a de Polignac number, because 70215620061 - 2⁵ = 70215620029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70215620063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859830 + ... + 937943.

It is an arithmetic number, because the mean of its divisors is an integer number (5997374064).

Almost surely, 2^70215620061 is an apocalyptic number.

It is an amenable number.

70215620061 is a deficient number, since it is larger than the sum of its proper divisors (25742364963).

70215620061 is a wasteful number, since it uses less digits than its factorization.

70215620061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798100.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 70215620061 in words is "seventy billion, two hundred fifteen million, six hundred twenty thousand, sixty-one".