70050240 has 168 divisors, whose sum is σ = 259616448. Its totient is φ = 17233920.

The previous prime is 70050223. The next prime is 70050241. The reversal of 70050240 is 4205007.

It is a happy number.

It is a super-2 number, since 2×70050240² = 9814072248115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70050241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36505 + ... + 38375.

It is an arithmetic number, because the mean of its divisors is an integer number (1545336).

Almost surely, 2^70050240 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 70050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129808224).

70050240 is an abundant number, since it is smaller than the sum of its proper divisors (189566208).

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

70050240 is a wasteful number, since it uses less digits than its factorization.

70050240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 70050240 is about 8369.6021410817. The cubic root of 70050240 is about 412.2271032466.

Adding to 70050240 its reverse (4205007), we get a palindrome (74255247).

The spelling of 70050240 in words is "seventy million, fifty thousand, two hundred forty".