725371273 has 8 divisors (see below), whose sum is σ = 812701440. Its totient is φ = 641605680.

The previous prime is 725371259. The next prime is 725371277. The reversal of 725371273 is 372173527.

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

It is a cyclic number.

It is not a de Polignac number, because 725371273 - 2¹³ = 725363081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725371277) 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, 890713 + ... + 891526.

It is an arithmetic number, because the mean of its divisors is an integer number (101587680).

Almost surely, 2^725371273 is an apocalyptic number.

It is an amenable number.

725371273 is a deficient number, since it is larger than the sum of its proper divisors (87330167).

725371273 is a wasteful number, since it uses less digits than its factorization.

725371273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782287.

The product of its digits is 61740, while the sum is 37.

The square root of 725371273 is about 26932.7175197751. The cubic root of 725371273 is about 898.5042121057.

The spelling of 725371273 in words is "seven hundred twenty-five million, three hundred seventy-one thousand, two hundred seventy-three".