70739560 has 32 divisors (see below), whose sum is σ = 163469160. Its totient is φ = 27530496.

The previous prime is 70739531. The next prime is 70739561. The reversal of 70739560 is 6593707.

It can be written as a sum of positive squares in 4 ways, for example, as 66487716 + 4251844 = 8154^2 + 2062^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (70739561) 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 7 ways as a sum of consecutive naturals, for example, 22419 + ... + 25378.

Almost surely, 2^70739560 is an apocalyptic number.

It is an amenable number.

70739560 is an abundant number, since it is smaller than the sum of its proper divisors (92729600).

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

70739560 is a wasteful number, since it uses less digits than its factorization.

70739560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47845 (or 47841 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 70739560 is about 8410.6813041513. The cubic root of 70739560 is about 413.5748472920.

It can be divided in two parts, 707395 and 60, that added together give a triangular number (707455 = T₁₁₈₉).

The spelling of 70739560 in words is "seventy million, seven hundred thirty-nine thousand, five hundred sixty".