70038936 has 96 divisors (see below), whose sum is σ = 208465920. Its totient is φ = 21067200.

The previous prime is 70038911. The next prime is 70038937. The reversal of 70038936 is 63983007.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70038936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70038937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151041 + ... + 151503.

It is an arithmetic number, because the mean of its divisors is an integer number (2171520).

Almost surely, 2^70038936 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 70038936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104232960).

70038936 is an abundant number, since it is smaller than the sum of its proper divisors (138426984).

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

70038936 is a wasteful number, since it uses less digits than its factorization.

70038936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70038936 is about 8368.9268129193. The cubic root of 70038936 is about 412.2049283721.

The spelling of 70038936 in words is "seventy million, thirty-eight thousand, nine hundred thirty-six".