70756992 has 96 divisors (see below), whose sum is σ = 215647380. Its totient is φ = 22192128.

The previous prime is 70756991. The next prime is 70756997. The reversal of 70756992 is 29965707.

It can be written as a sum of positive squares in 2 ways, for example, as 66977856 + 3779136 = 8184^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (70756991) 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 11 ways as a sum of consecutive naturals, for example, 17778 + ... + 21390.

Almost surely, 2^70756992 is an apocalyptic number.

70756992 is a gapful number since it is divisible by the number (72) 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 70756992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107823690).

70756992 is an abundant number, since it is smaller than the sum of its proper divisors (144890388).

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

70756992 is a wasteful number, since it uses less digits than its factorization.

70756992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 70756992 is about 8411.7175416201. The cubic root of 70756992 is about 413.6088162367.

The spelling of 70756992 in words is "seventy million, seven hundred fifty-six thousand, nine hundred ninety-two".