70243580 has 24 divisors (see below), whose sum is σ = 160922160. Its totient is φ = 25543040.

The previous prime is 70243543. The next prime is 70243583. The reversal of 70243580 is 8534207.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70243583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159425 + ... + 159864.

It is an arithmetic number, because the mean of its divisors is an integer number (6705090).

Almost surely, 2^70243580 is an apocalyptic number.

It is an amenable number.

70243580 is an abundant number, since it is smaller than the sum of its proper divisors (90678580).

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

70243580 is a wasteful number, since it uses less digits than its factorization.

70243580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319309 (or 319307 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70243580 is about 8381.1443132785. The cubic root of 70243580 is about 412.6060064256.

Adding to 70243580 its reverse (8534207), we get a palindrome (78777787).

The spelling of 70243580 in words is "seventy million, two hundred forty-three thousand, five hundred eighty".