72725151 has 8 divisors (see below), whose sum is σ = 97927344. Its totient is φ = 48003200.

The previous prime is 72725137. The next prime is 72725161. The reversal of 72725151 is 15152727.

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 72725151 - 2⁵ = 72725119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72725131) 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, 119706 + ... + 120311.

It is an arithmetic number, because the mean of its divisors is an integer number (12240918).

Almost surely, 2^72725151 is an apocalyptic number.

72725151 is a deficient number, since it is larger than the sum of its proper divisors (25202193).

72725151 is a wasteful number, since it uses less digits than its factorization.

72725151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240121.

The product of its digits is 4900, while the sum is 30.

The square root of 72725151 is about 8527.9042560291. The cubic root of 72725151 is about 417.4087452796.

Adding to 72725151 its reverse (15152727), we get a palindrome (87877878).

It can be divided in two parts, 727 and 25151, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 72725151 in words is "seventy-two million, seven hundred twenty-five thousand, one hundred fifty-one".