72650129 has 16 divisors (see below), whose sum is σ = 83174400. Its totient is φ = 63016704.

The previous prime is 72650107. The next prime is 72650147. The reversal of 72650129 is 92105627.

It is a cyclic number.

It is not a de Polignac number, because 72650129 - 2⁸ = 72649873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72650095 and 72650104.

It is not an unprimeable number, because it can be changed into a prime (72650159) 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 15 ways as a sum of consecutive naturals, for example, 8912 + ... + 14990.

It is an arithmetic number, because the mean of its divisors is an integer number (5198400).

Almost surely, 2^72650129 is an apocalyptic number.

It is an amenable number.

72650129 is a deficient number, since it is larger than the sum of its proper divisors (10524271).

72650129 is a wasteful number, since it uses less digits than its factorization.

72650129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 72650129 is about 8523.5045022573. The cubic root of 72650129 is about 417.2651653645.

The spelling of 72650129 in words is "seventy-two million, six hundred fifty thousand, one hundred twenty-nine".