70680272 has 40 divisors (see below), whose sum is σ = 148011360. Its totient is φ = 32503680.

The previous prime is 70680229. The next prime is 70680277. The reversal of 70680272 is 27208607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70680277) 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, 86747 + ... + 87557.

It is an arithmetic number, because the mean of its divisors is an integer number (3700284).

Almost surely, 2^70680272 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 70680272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74005680).

70680272 is an abundant number, since it is smaller than the sum of its proper divisors (77331088).

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

70680272 is a wasteful number, since it uses less digits than its factorization.

70680272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 70680272 is about 8407.1559995042. The cubic root of 70680272 is about 413.4592736820.

Adding to 70680272 its reverse (27208607), we get a palindrome (97888879).

The spelling of 70680272 in words is "seventy million, six hundred eighty thousand, two hundred seventy-two".