70061712 has 80 divisors (see below), whose sum is σ = 208855680. Its totient is φ = 19823616.

The previous prime is 70061687. The next prime is 70061723. The reversal of 70061712 is 21716007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35668 + ... + 37580.

It is an arithmetic number, because the mean of its divisors is an integer number (2610696).

Almost surely, 2^70061712 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 70061712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104427840).

70061712 is an abundant number, since it is smaller than the sum of its proper divisors (138793968).

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

70061712 is a wasteful number, since it uses less digits than its factorization.

70061712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 70061712 is about 8370.2874502612. The cubic root of 70061712 is about 412.2496052452.

Adding to 70061712 its reverse (21716007), we get a palindrome (91777719).

The spelling of 70061712 in words is "seventy million, sixty-one thousand, seven hundred twelve".