70660040 has 32 divisors (see below), whose sum is σ = 173439360. Its totient is φ = 25694400.

The previous prime is 70660033. The next prime is 70660087. The reversal of 70660040 is 4006607.

It is a junction number, because it is equal to n+sod(n) for n = 70659988 and 70660015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79856 + ... + 80735.

It is an arithmetic number, because the mean of its divisors is an integer number (5419980).

Almost surely, 2^70660040 is an apocalyptic number.

It is an amenable number.

70660040 is an abundant number, since it is smaller than the sum of its proper divisors (102779320).

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

70660040 is a wasteful number, since it uses less digits than its factorization.

70660040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160613 (or 160609 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70660040 is about 8405.9526527337. The cubic root of 70660040 is about 413.4198194558.

Adding to 70660040 its reverse (4006607), we get a palindrome (74666647).

The spelling of 70660040 in words is "seventy million, six hundred sixty thousand, forty".