70063616 has 80 divisors (see below), whose sum is σ = 162337824. Its totient is φ = 29589504.

The previous prime is 70063577. The next prime is 70063619. The reversal of 70063616 is 61636007.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70063619) 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, 404906 + ... + 405078.

Almost surely, 2^70063616 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 70063616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81168912).

70063616 is an abundant number, since it is smaller than the sum of its proper divisors (92274208).

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

70063616 is a wasteful number, since it uses less digits than its factorization.

70063616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 70063616 is about 8370.4011851285. The cubic root of 70063616 is about 412.2533396488.

The spelling of 70063616 in words is "seventy million, sixty-three thousand, six hundred sixteen".