70049268 has 72 divisors (see below), whose sum is σ = 184602600. Its totient is φ = 22369536.

The previous prime is 70049209. The next prime is 70049281. The reversal of 70049268 is 86294007.

It can be written as a sum of positive squares in 4 ways, for example, as 45724644 + 24324624 = 6762^2 + 4932^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238930 + ... + 239222.

It is an arithmetic number, because the mean of its divisors is an integer number (2563925).

Almost surely, 2^70049268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70049268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92301300).

70049268 is an abundant number, since it is smaller than the sum of its proper divisors (114553332).

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

70049268 is a wasteful number, since it uses less digits than its factorization.

70049268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70049268 is about 8369.5440736040. The cubic root of 70049268 is about 412.2251965837.

The spelling of 70049268 in words is "seventy million, forty-nine thousand, two hundred sixty-eight".