70440752 has 40 divisors (see below), whose sum is σ = 144782400. Its totient is φ = 33106752.

The previous prime is 70440731. The next prime is 70440757. The reversal of 70440752 is 25704407.

It is not an unprimeable number, because it can be changed into a prime (70440757) 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, 41423 + ... + 43089.

It is an arithmetic number, because the mean of its divisors is an integer number (3619560).

Almost surely, 2^70440752 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 70440752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72391200).

70440752 is an abundant number, since it is smaller than the sum of its proper divisors (74341648).

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

70440752 is a wasteful number, since it uses less digits than its factorization.

70440752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 70440752 is about 8392.8989032396. The cubic root of 70440752 is about 412.9917040704.

The spelling of 70440752 in words is "seventy million, four hundred forty thousand, seven hundred fifty-two".