72894125 has 8 divisors (see below), whose sum is σ = 90972024. Its totient is φ = 58315200.

The previous prime is 72894119. The next prime is 72894131. The reversal of 72894125 is 52149827.

It is an interprime number because it is at equal distance from previous prime (72894119) and next prime (72894131).

It can be written as a sum of positive squares in 4 ways, for example, as 4153444 + 68740681 = 2038^2 + 8291^2 .

It is not a de Polignac number, because 72894125 - 2¹⁴ = 72877741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291452 + ... + 291701.

It is an arithmetic number, because the mean of its divisors is an integer number (11371503).

Almost surely, 2^72894125 is an apocalyptic number.

It is an amenable number.

72894125 is a deficient number, since it is larger than the sum of its proper divisors (18077899).

72894125 is an equidigital number, since it uses as much as digits as its factorization.

72894125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583168 (or 583158 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 72894125 is about 8537.8056314254. The cubic root of 72894125 is about 417.7317727754.

The spelling of 72894125 in words is "seventy-two million, eight hundred ninety-four thousand, one hundred twenty-five".