1270740772 has 24 divisors (see below), whose sum is σ = 2545363520. Its totient is φ = 543771360.

The previous prime is 1270740743. The next prime is 1270740781. The reversal of 1270740772 is 2770470721.

It is a super-2 number, since 2×1270740772² = 3229564219246311968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15822 + ... + 52837.

Almost surely, 2^1270740772 is an apocalyptic number.

It is an amenable number.

1270740772 is an abundant number, since it is smaller than the sum of its proper divisors (1274622748).

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

1270740772 is a wasteful number, since it uses less digits than its factorization.

1270740772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69331 (or 69329 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 1270740772 is about 35647.4511290779. The cubic root of 1270740772 is about 1083.1426446118.

The spelling of 1270740772 in words is "one billion, two hundred seventy million, seven hundred forty thousand, seven hundred seventy-two".