70570040 has 16 divisors (see below), whose sum is σ = 158782680. Its totient is φ = 28228000.

The previous prime is 70570039. The next prime is 70570051. The reversal of 70570040 is 4007507.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70569988 and 70570015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882086 + ... + 882165.

Almost surely, 2^70570040 is an apocalyptic number.

It is an amenable number.

70570040 is an abundant number, since it is smaller than the sum of its proper divisors (88212640).

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

70570040 is a wasteful number, since it uses less digits than its factorization.

70570040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764262 (or 1764258 counting only the distinct ones).

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

The square root of 70570040 is about 8400.5975977903. The cubic root of 70570040 is about 413.2442200072.

Adding to 70570040 its reverse (4007507), we get a palindrome (74577547).

The spelling of 70570040 in words is "seventy million, five hundred seventy thousand, forty".