70107440 has 40 divisors (see below), whose sum is σ = 175540848. Its totient is φ = 25885440.

The previous prime is 70107437. The next prime is 70107449. The reversal of 70107440 is 4470107.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (70107449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32666 + ... + 34745.

Almost surely, 2^70107440 is an apocalyptic number.

It is an amenable number.

70107440 is an abundant number, since it is smaller than the sum of its proper divisors (105433408).

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

70107440 is a wasteful number, since it uses less digits than its factorization.

70107440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67437 (or 67431 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 70107440 is about 8373.0185715786. The cubic root of 70107440 is about 412.3392750024.

Adding to 70107440 its reverse (4470107), we get a palindrome (74577547).

The spelling of 70107440 in words is "seventy million, one hundred seven thousand, four hundred forty".