72684325 has 24 divisors (see below), whose sum is σ = 105207552. Its totient is φ = 48774720.

The previous prime is 72684281. The next prime is 72684341. The reversal of 72684325 is 52348627.

It is not a de Polignac number, because 72684325 - 2¹³ = 72676133 is a prime.

It is a super-2 number, since 2×72684325² = 10566022201411250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3807 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (4383648).

Almost surely, 2^72684325 is an apocalyptic number.

It is an amenable number.

72684325 is a deficient number, since it is larger than the sum of its proper divisors (32523227).

72684325 is a wasteful number, since it uses less digits than its factorization.

72684325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901 (or 8896 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 72684325 is about 8525.5102486596. The cubic root of 72684325 is about 417.3306232039.

The spelling of 72684325 in words is "seventy-two million, six hundred eighty-four thousand, three hundred twenty-five".