72054351 has 6 divisors (see below), whose sum is σ = 104078520. Its totient is φ = 48036228.

The previous prime is 72054349. The next prime is 72054361. The reversal of 72054351 is 15345027.

It is a happy number.

72054351 is a `hidden beast` number, since 72 + 0 + 543 + 51 = 666.

It is not a de Polignac number, because 72054351 - 2¹ = 72054349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72054361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4003011 + ... + 4003028.

It is an arithmetic number, because the mean of its divisors is an integer number (17346420).

Almost surely, 2^72054351 is an apocalyptic number.

72054351 is a deficient number, since it is larger than the sum of its proper divisors (32024169).

72054351 is a wasteful number, since it uses less digits than its factorization.

72054351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006045 (or 8006042 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 72054351 is about 8488.4834334526. The cubic root of 72054351 is about 416.1214184997.

Adding to 72054351 its reverse (15345027), we get a palindrome (87399378).

The spelling of 72054351 in words is "seventy-two million, fifty-four thousand, three hundred fifty-one".