70761744 has 45 divisors (see below), whose sum is σ = 198317509. Its totient is φ = 23553600.

The previous prime is 70761737. The next prime is 70761749. The reversal of 70761744 is 44716707.

The square root of 70761744 is 8412.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 9734400 = 7812^2 + 3120^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70761699 and 70761708.

It is not an unprimeable number, because it can be changed into a prime (70761749) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 100594 + ... + 101294.

Almost surely, 2^70761744 is an apocalyptic number.

70761744 is the 8412-nd square number.

It is an amenable number.

70761744 is an abundant number, since it is smaller than the sum of its proper divisors (127555765).

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

70761744 is an equidigital number, since it uses as much as digits as its factorization.

70761744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The cubic root of 70761744 is about 413.6180752750.

Multiplying 70761744 by its sum of digits (36), we get a square (2547422784 = 50472²).

70761744 divided by its sum of digits (36) gives a square (1965604 = 1402²).

The spelling of 70761744 in words is "seventy million, seven hundred sixty-one thousand, seven hundred forty-four".