70968540 has 96 divisors (see below), whose sum is σ = 215659584. Its totient is φ = 17367040.

The previous prime is 70968529. The next prime is 70968587. The reversal of 70968540 is 4586907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40972 + ... + 42668.

It is an arithmetic number, because the mean of its divisors is an integer number (2246454).

Almost surely, 2^70968540 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 70968540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107829792).

70968540 is an abundant number, since it is smaller than the sum of its proper divisors (144691044).

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

70968540 is a wasteful number, since it uses less digits than its factorization.

70968540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 70968540 is about 8424.2827587872. The cubic root of 70968540 is about 414.0206062231.

The spelling of 70968540 in words is "seventy million, nine hundred sixty-eight thousand, five hundred forty".