70613634 has 64 divisors (see below), whose sum is σ = 181407744. Its totient is φ = 17810496.

The previous prime is 70613593. The next prime is 70613707. The reversal of 70613634 is 43631607.

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, 9747 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (2834496).

Almost surely, 2^70613634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70613634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90703872).

70613634 is an abundant number, since it is smaller than the sum of its proper divisors (110794110).

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

70613634 is a wasteful number, since it uses less digits than its factorization.

70613634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 70613634 is about 8403.1918935604. The cubic root of 70613634 is about 413.3292951103.

The spelling of 70613634 in words is "seventy million, six hundred thirteen thousand, six hundred thirty-four".