70001340 has 48 divisors (see below), whose sum is σ = 199711008. Its totient is φ = 18313984.

The previous prime is 70001333. The next prime is 70001357. The reversal of 70001340 is 4310007.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7827 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (4160646).

Almost surely, 2^70001340 is an apocalyptic number.

It is an amenable number.

70001340 is an abundant number, since it is smaller than the sum of its proper divisors (129709668).

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

70001340 is a wasteful number, since it uses less digits than its factorization.

70001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22078 (or 22076 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 70001340 is about 8366.6803452743. The cubic root of 70001340 is about 412.1311597366.

Adding to 70001340 its reverse (4310007), we get a palindrome (74311347).

The spelling of 70001340 in words is "seventy million, one thousand, three hundred forty".