1330723671 has 8 divisors (see below), whose sum is σ = 1878668784. Its totient is φ = 834963840.

The previous prime is 1330723661. The next prime is 1330723699. The reversal of 1330723671 is 1763270331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330723671 - 2⁷ = 1330723543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330723621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13046260 + ... + 13046361.

It is an arithmetic number, because the mean of its divisors is an integer number (234833598).

Almost surely, 2^1330723671 is an apocalyptic number.

1330723671 is a deficient number, since it is larger than the sum of its proper divisors (547945113).

1330723671 is a wasteful number, since it uses less digits than its factorization.

1330723671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26092641.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 1330723671 is about 36479.0853914952. The cubic root of 1330723671 is about 1099.9238710399.

The spelling of 1330723671 in words is "one billion, three hundred thirty million, seven hundred twenty-three thousand, six hundred seventy-one".