70272340 has 12 divisors (see below), whose sum is σ = 147571956. Its totient is φ = 28108928.

The previous prime is 70272331. The next prime is 70272359. The reversal of 70272340 is 4327207.

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 40373316 = 5468^2 + 6354^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756789 + ... + 1756828.

It is an arithmetic number, because the mean of its divisors is an integer number (12297663).

Almost surely, 2^70272340 is an apocalyptic number.

It is an amenable number.

70272340 is an abundant number, since it is smaller than the sum of its proper divisors (77299616).

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

70272340 is a wasteful number, since it uses less digits than its factorization.

70272340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513626 (or 3513624 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 70272340 is about 8382.8598938548. The cubic root of 70272340 is about 412.6623101694.

Adding to 70272340 its reverse (4327207), we get a palindrome (74599547).

The spelling of 70272340 in words is "seventy million, two hundred seventy-two thousand, three hundred forty".