70740772 has 12 divisors (see below), whose sum is σ = 124700940. Its totient is φ = 35111936.

The previous prime is 70740767. The next prime is 70740793. The reversal of 70740772 is 27704707.

It can be written as a sum of positive squares in 2 ways, for example, as 28047616 + 42693156 = 5296^2 + 6534^2 .

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 3 ways as a sum of consecutive naturals, for example, 63997 + ... + 65092.

It is an arithmetic number, because the mean of its divisors is an integer number (10391745).

Almost surely, 2^70740772 is an apocalyptic number.

It is an amenable number.

70740772 is a deficient number, since it is larger than the sum of its proper divisors (53960168).

70740772 is a wasteful number, since it uses less digits than its factorization.

70740772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129230 (or 129228 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 34.

The square root of 70740772 is about 8410.7533550806. The cubic root of 70740772 is about 413.5772092417.

The spelling of 70740772 in words is "seventy million, seven hundred forty thousand, seven hundred seventy-two".