70249850 has 24 divisors (see below), whose sum is σ = 142544448. Its totient is φ = 25545200.

The previous prime is 70249801. The next prime is 70249853. The reversal of 70249850 is 5894207.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70249850.

It is not an unprimeable number, because it can be changed into a prime (70249853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63314 + ... + 64413.

It is an arithmetic number, because the mean of its divisors is an integer number (5939352).

Almost surely, 2^70249850 is an apocalyptic number.

70249850 is an abundant number, since it is smaller than the sum of its proper divisors (72294598).

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

70249850 is a wasteful number, since it uses less digits than its factorization.

70249850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127750 (or 127745 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 70249850 is about 8381.5183588655. The cubic root of 70249850 is about 412.6182825781.

The spelling of 70249850 in words is "seventy million, two hundred forty-nine thousand, eight hundred fifty".