1332670457 has 4 divisors (see below), whose sum is σ = 1345865316. Its totient is φ = 1319475600.

The previous prime is 1332670441. The next prime is 1332670459. The reversal of 1332670457 is 7540762331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7540762331 = 359 ⋅21004909.

It can be written as a sum of positive squares in 2 ways, for example, as 999571456 + 333099001 = 31616^2 + 18251^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332670457 - 2⁴ = 1332670441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1332670457.

It is not an unprimeable number, because it can be changed into a prime (1332670459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597278 + ... + 6597479.

It is an arithmetic number, because the mean of its divisors is an integer number (336466329).

Almost surely, 2^1332670457 is an apocalyptic number.

It is an amenable number.

1332670457 is a deficient number, since it is larger than the sum of its proper divisors (13194859).

1332670457 is a wasteful number, since it uses less digits than its factorization.

1332670457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194858.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 1332670457 is about 36505.7592305653. The cubic root of 1332670457 is about 1100.4599886108.

The spelling of 1332670457 in words is "one billion, three hundred thirty-two million, six hundred seventy thousand, four hundred fifty-seven".