70404100 has 72 divisors (see below), whose sum is σ = 169933568. Its totient is φ = 25142400.

The previous prime is 70404079. The next prime is 70404107. The reversal of 70404100 is 140407.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70404107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39427 + ... + 41173.

Almost surely, 2^70404100 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 70404100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84966784).

70404100 is an abundant number, since it is smaller than the sum of its proper divisors (99529468).

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

70404100 is a wasteful number, since it uses less digits than its factorization.

70404100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70404100 is about 8390.7151065925. The cubic root of 70404100 is about 412.9200618384.

Adding to 70404100 its reverse (140407), we get a palindrome (70544507).

The spelling of 70404100 in words is "seventy million, four hundred four thousand, one hundred".