70212672 has 84 divisors (see below), whose sum is σ = 203931520. Its totient is φ = 23092992.

The previous prime is 70212671. The next prime is 70212691. The reversal of 70212672 is 27621207.

It is not an unprimeable number, because it can be changed into a prime (70212671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44733 + ... + 46275.

Almost surely, 2^70212672 is an apocalyptic number.

70212672 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 70212672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101965760).

70212672 is an abundant number, since it is smaller than the sum of its proper divisors (133718848).

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

70212672 is a wasteful number, since it uses less digits than its factorization.

70212672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70212672 is about 8379.3002094447. The cubic root of 70212672 is about 412.5454803848.

Adding to 70212672 its reverse (27621207), we get a palindrome (97833879).

The spelling of 70212672 in words is "seventy million, two hundred twelve thousand, six hundred seventy-two".