70678272 has 72 divisors (see below), whose sum is σ = 214996096. Its totient is φ = 20192256.

The previous prime is 70678261. The next prime is 70678277. The reversal of 70678272 is 27287607.

It is a self number, because there is not a number n which added to its sum of digits gives 70678272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70678277) 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 7 ways as a sum of consecutive naturals, for example, 1198 + ... + 11949.

Almost surely, 2^70678272 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 70678272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107498048).

70678272 is an abundant number, since it is smaller than the sum of its proper divisors (144317824).

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

70678272 is a wasteful number, since it uses less digits than its factorization.

70678272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13173 (or 13159 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 70678272 is about 8407.0370523746. The cubic root of 70678272 is about 413.4553738368.

The spelling of 70678272 in words is "seventy million, six hundred seventy-eight thousand, two hundred seventy-two".