70504240 has 40 divisors (see below), whose sum is σ = 168359760. Its totient is φ = 27438336.

The previous prime is 70504229. The next prime is 70504241. The reversal of 70504240 is 4240507.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (70504241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8950 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (4208994).

Almost surely, 2^70504240 is an apocalyptic number.

It is an amenable number.

70504240 is an abundant number, since it is smaller than the sum of its proper divisors (97855520).

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

70504240 is a wasteful number, since it uses less digits than its factorization.

70504240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23869 (or 23863 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 70504240 is about 8396.6802964029. The cubic root of 70504240 is about 413.1157427987.

Adding to 70504240 its reverse (4240507), we get a palindrome (74744747).

The spelling of 70504240 in words is "seventy million, five hundred four thousand, two hundred forty".