70707616 has 48 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 29560320.

The previous prime is 70707613. The next prime is 70707647. The reversal of 70707616 is 61670707.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70707613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5335 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (3395700).

Almost surely, 2^70707616 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 70707616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81496800).

70707616 is an abundant number, since it is smaller than the sum of its proper divisors (92285984).

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

70707616 is a wasteful number, since it uses less digits than its factorization.

70707616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757 (or 7749 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 70707616 is about 8408.7820759014. The cubic root of 70707616 is about 413.5125849877.

The spelling of 70707616 in words is "seventy million, seven hundred seven thousand, six hundred sixteen".