70043136 has 80 divisors (see below), whose sum is σ = 192749568. Its totient is φ = 22579200.

The previous prime is 70043131. The next prime is 70043137. The reversal of 70043136 is 63134007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70043131) 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, 46881 + ... + 48351.

Almost surely, 2^70043136 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 70043136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96374784).

70043136 is an abundant number, since it is smaller than the sum of its proper divisors (122706432).

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

70043136 is a wasteful number, since it uses less digits than its factorization.

70043136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 70043136 is about 8369.1777373885. The cubic root of 70043136 is about 412.2131677229.

The spelling of 70043136 in words is "seventy million, forty-three thousand, one hundred thirty-six".