1330664725 has 48 divisors (see below), whose sum is σ = 1814106112. Its totient is φ = 962357760.

The previous prime is 1330664711. The next prime is 1330664729. The reversal of 1330664725 is 5274660331.

It is a de Polignac number, because none of the positive numbers 2^k-1330664725 is a prime.

It is a super-2 number, since 2×1330664725² = 3541337220718651250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330664729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4251169 + ... + 4251481.

Almost surely, 2^1330664725 is an apocalyptic number.

It is an amenable number.

1330664725 is a deficient number, since it is larger than the sum of its proper divisors (483441387).

1330664725 is a wasteful number, since it uses less digits than its factorization.

1330664725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 1330664725 is about 36478.2774401424. The cubic root of 1330664725 is about 1099.9076299847.

The spelling of 1330664725 in words is "one billion, three hundred thirty million, six hundred sixty-four thousand, seven hundred twenty-five".