72046825 has 6 divisors (see below), whose sum is σ = 89338094. Its totient is φ = 57637440.

The previous prime is 72046823. The next prime is 72046831. The reversal of 72046825 is 52864027.

It can be written as a sum of positive squares in 3 ways, for example, as 14953689 + 57093136 = 3867^2 + 7556^2 .

It is not a de Polignac number, because 72046825 - 2¹ = 72046823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72046823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1440912 + ... + 1440961.

Almost surely, 2^72046825 is an apocalyptic number.

It is an amenable number.

72046825 is a deficient number, since it is larger than the sum of its proper divisors (17291269).

72046825 is a wasteful number, since it uses less digits than its factorization.

72046825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881883 (or 2881878 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 72046825 is about 8488.0401153623. The cubic root of 72046825 is about 416.1069301826.

The spelling of 72046825 in words is "seventy-two million, forty-six thousand, eight hundred twenty-five".