70711272 has 64 divisors (see below), whose sum is σ = 197121600. Its totient is φ = 23486400.

The previous prime is 70711259. The next prime is 70711273. The reversal of 70711272 is 27211707.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70711273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100522 + ... + 101222.

It is an arithmetic number, because the mean of its divisors is an integer number (3080025).

Almost surely, 2^70711272 is an apocalyptic number.

70711272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70711272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98560800).

70711272 is an abundant number, since it is smaller than the sum of its proper divisors (126410328).

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

70711272 is a wasteful number, since it uses less digits than its factorization.

70711272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 70711272 is about 8408.9994648591. Note that the first 3 decimals coincide. The cubic root of 70711272 is about 413.5197118765.

Adding to 70711272 its reverse (27211707), we get a palindrome (97922979).

The spelling of 70711272 in words is "seventy million, seven hundred eleven thousand, two hundred seventy-two".