70403640100 has 72 divisors (see below), whose sum is σ = 154220129280. Its totient is φ = 27896494080.

The previous prime is 70403640059. The next prime is 70403640101. The reversal of 70403640100 is 104630407.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (70403640101) 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 23 ways as a sum of consecutive naturals, for example, 4605069 + ... + 4620331.

It is an arithmetic number, because the mean of its divisors is an integer number (2141946240).

Almost surely, 2^70403640100 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 70403640100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77110064640).

70403640100 is an abundant number, since it is smaller than the sum of its proper divisors (83816489180).

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

70403640100 is a wasteful number, since it uses less digits than its factorization.

70403640100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15709 (or 15702 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 70403640100 in words is "seventy billion, four hundred three million, six hundred forty thousand, one hundred".