72000707 has 4 divisors (see below), whose sum is σ = 74483520. Its totient is φ = 69517896.

The previous prime is 72000673. The next prime is 72000727. The reversal of 72000707 is 70700027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72000707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72000727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241363 + ... + 1241420.

It is an arithmetic number, because the mean of its divisors is an integer number (18620880).

Almost surely, 2^72000707 is an apocalyptic number.

72000707 is a deficient number, since it is larger than the sum of its proper divisors (2482813).

72000707 is a wasteful number, since it uses less digits than its factorization.

72000707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482812.

The product of its (nonzero) digits is 686, while the sum is 23.

The square root of 72000707 is about 8485.3230345108. The cubic root of 72000707 is about 416.0181262904.

The spelling of 72000707 in words is "seventy-two million, seven hundred seven", and thus it is an aban number.