72025169 has 8 divisors (see below), whose sum is σ = 73969920. Its totient is φ = 70106400.

The previous prime is 72025139. The next prime is 72025189. The reversal of 72025169 is 96152027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72025169 is a prime.

It is a super-2 number, since 2×72025169² = 10375249938957122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72025139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (9246240).

Almost surely, 2^72025169 is an apocalyptic number.

72025169 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

72025169 is a deficient number, since it is larger than the sum of its proper divisors (1944751).

72025169 is a wasteful number, since it uses less digits than its factorization.

72025169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991.

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

The square root of 72025169 is about 8486.7643421978. The cubic root of 72025169 is about 416.0652345460.

The spelling of 72025169 in words is "seventy-two million, twenty-five thousand, one hundred sixty-nine".