70042650 has 24 divisors (see below), whose sum is σ = 173706144. Its totient is φ = 18678000.

The previous prime is 70042649. The next prime is 70042663. The reversal of 70042650 is 5624007.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70042650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233326 + ... + 233625.

It is an arithmetic number, because the mean of its divisors is an integer number (7237756).

Almost surely, 2^70042650 is an apocalyptic number.

70042650 is an abundant number, since it is smaller than the sum of its proper divisors (103663494).

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

70042650 is a wasteful number, since it uses less digits than its factorization.

70042650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466966 (or 466961 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70042650 is about 8369.1487022277. The cubic root of 70042650 is about 412.2122143292.

Adding to 70042650 its reverse (5624007), we get a palindrome (75666657).

The spelling of 70042650 in words is "seventy million, forty-two thousand, six hundred fifty".