70070736 has 80 divisors (see below), whose sum is σ = 196219584. Its totient is φ = 21460992.

The previous prime is 70070731. The next prime is 70070743. The reversal of 70070736 is 63707007.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70070731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34090 + ... + 36086.

Almost surely, 2^70070736 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 70070736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98109792).

70070736 is an abundant number, since it is smaller than the sum of its proper divisors (126148848).

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

70070736 is a wasteful number, since it uses less digits than its factorization.

70070736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 70070736 is about 8370.8264824926. The cubic root of 70070736 is about 412.2673038361.

The spelling of 70070736 in words is "seventy million, seventy thousand, seven hundred thirty-six".