70940205504 has 252 divisors, whose sum is σ = 239873473008. Its totient is φ = 19982592000.

The previous prime is 70940205491. The next prime is 70940205509. The reversal of 70940205504 is 40550204907.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70940205509) 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 35 ways as a sum of consecutive naturals, for example, 1986204 + ... + 2021604.

Almost surely, 2^70940205504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70940205504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119936736504).

70940205504 is an abundant number, since it is smaller than the sum of its proper divisors (168933267504).

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

70940205504 is a wasteful number, since it uses less digits than its factorization.

70940205504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35504 (or 35484 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 70940205504 in words is "seventy billion, nine hundred forty million, two hundred five thousand, five hundred four".