70075321602 has 64 divisors (see below), whose sum is σ = 164779259904. Its totient is φ = 19586399040.

The previous prime is 70075321601. The next prime is 70075321621. The reversal of 70075321602 is 20612357007.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70075321601) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1107793 + ... + 1169339.

It is an arithmetic number, because the mean of its divisors is an integer number (2574675936).

Almost surely, 2^70075321602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70075321602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82389629952).

70075321602 is an abundant number, since it is smaller than the sum of its proper divisors (94703938302).

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

70075321602 is a wasteful number, since it uses less digits than its factorization.

70075321602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62903.

The product of its (nonzero) digits is 17640, while the sum is 33.

Adding to 70075321602 its reverse (20612357007), we get a palindrome (90687678609).

The spelling of 70075321602 in words is "seventy billion, seventy-five million, three hundred twenty-one thousand, six hundred two".