72053351 has 4 divisors (see below), whose sum is σ = 72070752. Its totient is φ = 72035952.

The previous prime is 72053347. The next prime is 72053353. The reversal of 72053351 is 15335027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15335027 = 67 ⋅228881.

It is a cyclic number.

It is not a de Polignac number, because 72053351 - 2² = 72053347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72053351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72053353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (18017688).

Almost surely, 2^72053351 is an apocalyptic number.

72053351 is a deficient number, since it is larger than the sum of its proper divisors (17401).

72053351 is a wasteful number, since it uses less digits than its factorization.

72053351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 72053351 is about 8488.4245299113. The cubic root of 72053351 is about 416.1194934559.

Adding to 72053351 its reverse (15335027), we get a palindrome (87388378).

The spelling of 72053351 in words is "seventy-two million, fifty-three thousand, three hundred fifty-one".