70081752 has 128 divisors (see below), whose sum is σ = 203636160. Its totient is φ = 19906560.

The previous prime is 70081733. The next prime is 70081771. The reversal of 70081752 is 25718007.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70081733) and next prime (70081771).

It is a super-2 number, since 2×70081752² = 9822903926779008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387102 + ... + 387282.

Almost surely, 2^70081752 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 70081752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101818080).

70081752 is an abundant number, since it is smaller than the sum of its proper divisors (133554408).

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

70081752 is a wasteful number, since it uses less digits than its factorization.

70081752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 70081752 is about 8371.4844561762. The cubic root of 70081752 is about 412.2889072372.

Adding to 70081752 its reverse (25718007), we get a palindrome (95799759).

It can be divided in two parts, 7008 and 1752, that multiplied together give a square (12278016 = 3504²).

The spelling of 70081752 in words is "seventy million, eighty-one thousand, seven hundred fifty-two".