70318140 has 24 divisors (see below), whose sum is σ = 196890960. Its totient is φ = 18751488.

The previous prime is 70318111. The next prime is 70318159. The reversal of 70318140 is 4181307.

It is a self number, because there is not a number n which added to its sum of digits gives 70318140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585925 + ... + 586044.

It is an arithmetic number, because the mean of its divisors is an integer number (8203790).

Almost surely, 2^70318140 is an apocalyptic number.

It is an amenable number.

70318140 is an abundant number, since it is smaller than the sum of its proper divisors (126572820).

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

70318140 is a wasteful number, since it uses less digits than its factorization.

70318140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171981 (or 1171979 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 70318140 is about 8385.5912135043. The cubic root of 70318140 is about 412.7519415914.

Adding to 70318140 its reverse (4181307), we get a palindrome (74499447).

The spelling of 70318140 in words is "seventy million, three hundred eighteen thousand, one hundred forty".