1065747725 has 24 divisors (see below), whose sum is σ = 1514182848. Its totient is φ = 728928000.

The previous prime is 1065747703. The next prime is 1065747743. The reversal of 1065747725 is 5277475601.

1065747725 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1065747725 - 2⁸ = 1065747469 is a prime.

It is a super-2 number, since 2×1065747725² = 2271636426685351250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62582 + ... + 77768.

It is an arithmetic number, because the mean of its divisors is an integer number (63090952).

Almost surely, 2^1065747725 is an apocalyptic number.

It is an amenable number.

1065747725 is a deficient number, since it is larger than the sum of its proper divisors (448435123).

1065747725 is a wasteful number, since it uses less digits than its factorization.

1065747725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15605 (or 15600 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The square root of 1065747725 is about 32645.7918421349. The cubic root of 1065747725 is about 1021.4524115303.

The spelling of 1065747725 in words is "one billion, sixty-five million, seven hundred forty-seven thousand, seven hundred twenty-five".