1332391073 has 8 divisors (see below), whose sum is σ = 1435765800. Its totient is φ = 1229142528.

The previous prime is 1332391069. The next prime is 1332391079. The reversal of 1332391073 is 3701932331.

It can be written as a sum of positive squares in 4 ways, for example, as 335915584 + 996475489 = 18328^2 + 31567^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1332391073 - 2² = 1332391069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332391079) 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, 9008 + ... + 52401.

It is an arithmetic number, because the mean of its divisors is an integer number (179470725).

Almost surely, 2^1332391073 is an apocalyptic number.

1332391073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1332391073 is a deficient number, since it is larger than the sum of its proper divisors (103374727).

1332391073 is a wasteful number, since it uses less digits than its factorization.

1332391073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63091.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 1332391073 is about 36501.9324556934. The cubic root of 1332391073 is about 1100.3830822761.

The spelling of 1332391073 in words is "one billion, three hundred thirty-two million, three hundred ninety-one thousand, seventy-three".