7265020005 has 40 divisors (see below), whose sum is σ = 13589465472. Its totient is φ = 3706208352.

The previous prime is 7265020001. The next prime is 7265020027. The reversal of 7265020005 is 5000205627.

7265020005 is a `hidden beast` number, since 7 + 2 + 650 + 2 + 0 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 7265020005 - 2² = 7265020001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265020001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 380649 + ... + 399278.

Almost surely, 2^7265020005 is an apocalyptic number.

It is an amenable number.

7265020005 is a deficient number, since it is larger than the sum of its proper divisors (6324445467).

7265020005 is a wasteful number, since it uses less digits than its factorization.

7265020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779967 (or 779958 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 7265020005 is about 85235.0867014283. The cubic root of 7265020005 is about 1936.7739635831.

The spelling of 7265020005 in words is "seven billion, two hundred sixty-five million, twenty thousand, five".