70807716 has 96 divisors (see below), whose sum is σ = 211232000. Its totient is φ = 20093184.

The previous prime is 70807691. The next prime is 70807717. The reversal of 70807716 is 61770807.

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

It is not an unprimeable number, because it can be changed into a prime (70807717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172920 + ... + 173328.

Almost surely, 2^70807716 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 70807716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105616000).

70807716 is an abundant number, since it is smaller than the sum of its proper divisors (140424284).

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

70807716 is a wasteful number, since it uses less digits than its factorization.

70807716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 650 counting only the distinct ones).

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

The square root of 70807716 is about 8414.7320812965. The cubic root of 70807716 is about 413.7076280605.

The spelling of 70807716 in words is "seventy million, eight hundred seven thousand, seven hundred sixteen".