70507040 has 24 divisors (see below), whose sum is σ = 166573260. Its totient is φ = 28202752.

The previous prime is 70507037. The next prime is 70507049. The reversal of 70507040 is 4070507.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68624656 + 1882384 = 8284^2 + 1372^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70506997 and 70507015.

It is not an unprimeable number, because it can be changed into a prime (70507049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 220175 + ... + 220494.

Almost surely, 2^70507040 is an apocalyptic number.

It is an amenable number.

70507040 is an abundant number, since it is smaller than the sum of its proper divisors (96066220).

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

70507040 is a wasteful number, since it uses less digits than its factorization.

70507040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440684 (or 440676 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 70507040 is about 8396.8470273073. The cubic root of 70507040 is about 413.1212115420.

Adding to 70507040 its reverse (4070507), we get a palindrome (74577547).

The spelling of 70507040 in words is "seventy million, five hundred seven thousand, forty".