70040704 has 64 divisors (see below), whose sum is σ = 149768640. Its totient is φ = 32541696.

The previous prime is 70040701. The next prime is 70040743. The reversal of 70040704 is 40704007.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70040701) 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, 108607 + ... + 109249.

It is an arithmetic number, because the mean of its divisors is an integer number (2340135).

Almost surely, 2^70040704 is an apocalyptic number.

70040704 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70040704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74884320).

70040704 is an abundant number, since it is smaller than the sum of its proper divisors (79727936).

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

70040704 is a wasteful number, since it uses less digits than its factorization.

70040704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 70040704 is about 8369.0324410890. The cubic root of 70040704 is about 412.2083967866.

The spelling of 70040704 in words is "seventy million, forty thousand, seven hundred four".