70221735614789 has 32 divisors (see below), whose sum is σ = 81282921984000. Its totient is φ = 59994248745600.

The previous prime is 70221735614731. The next prime is 70221735614791. The reversal of 70221735614789 is 98741653712207.

It is a cyclic number.

It is not a de Polignac number, because 70221735614789 - 2²⁰ = 70221734566213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70221735614189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73971857 + ... + 74915145.

It is an arithmetic number, because the mean of its divisors is an integer number (2540091312000).

It is a 1-persistent number, because it is pandigital, but 2⋅70221735614789 = 140443471229578 is not.

Almost surely, 2^{70221735614789} is an apocalyptic number.

It is an amenable number.

70221735614789 is a deficient number, since it is larger than the sum of its proper divisors (11061186369211).

70221735614789 is a wasteful number, since it uses less digits than its factorization.

70221735614789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946169.

The product of its (nonzero) digits is 35562240, while the sum is 62.

The spelling of 70221735614789 in words is "seventy trillion, two hundred twenty-one billion, seven hundred thirty-five million, six hundred fourteen thousand, seven hundred eighty-nine".