70966728 has 96 divisors (see below), whose sum is σ = 221457600. Its totient is φ = 20110464.

The previous prime is 70966717. The next prime is 70966733. The reversal of 70966728 is 82766907.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69550 + ... + 70562.

It is an arithmetic number, because the mean of its divisors is an integer number (2306850).

Almost surely, 2^70966728 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 70966728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110728800).

70966728 is an abundant number, since it is smaller than the sum of its proper divisors (150490872).

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

70966728 is a wasteful number, since it uses less digits than its factorization.

70966728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 70966728 is about 8424.1752118531. The cubic root of 70966728 is about 414.0170825409.

It can be divided in two parts, 7096 and 6728, that added together give a cube (13824 = 24³).

The spelling of 70966728 in words is "seventy million, nine hundred sixty-six thousand, seven hundred twenty-eight".