70771068 has 72 divisors (see below), whose sum is σ = 190702512. Its totient is φ = 22052352.

The previous prime is 70771061. The next prime is 70771073. The reversal of 70771068 is 86017707.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70771061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120271 + ... + 120857.

It is an arithmetic number, because the mean of its divisors is an integer number (2648646).

Almost surely, 2^70771068 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 70771068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95351256).

70771068 is an abundant number, since it is smaller than the sum of its proper divisors (119931444).

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

70771068 is a wasteful number, since it uses less digits than its factorization.

70771068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 70771068 is about 8412.5541900186. The cubic root of 70771068 is about 413.6362414259.

The spelling of 70771068 in words is "seventy million, seven hundred seventy-one thousand, sixty-eight".