1156740672 has 56 divisors (see below), whose sum is σ = 3221634400. Its totient is φ = 365285376.

The previous prime is 1156740647. The next prime is 1156740677. The reversal of 1156740672 is 2760476511.

It is a super-3 number, since 3×1156740672³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1156740672.

It is not an unprimeable number, because it can be changed into a prime (1156740677) 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, 154897 + ... + 162192.

Almost surely, 2^1156740672 is an apocalyptic number.

1156740672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156740672 is an abundant number, since it is smaller than the sum of its proper divisors (2064893728).

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

1156740672 is a wasteful number, since it uses less digits than its factorization.

1156740672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317123 (or 317113 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1156740672 is about 34010.8904911353. The cubic root of 1156740672 is about 1049.7325613667.

The spelling of 1156740672 in words is "one billion, one hundred fifty-six million, seven hundred forty thousand, six hundred seventy-two".