72697053 has 16 divisors (see below), whose sum is σ = 113875776. Its totient is φ = 40669440.

The previous prime is 72697039. The next prime is 72697057. The reversal of 72697053 is 35079627.

It is not a de Polignac number, because 72697053 - 2¹⁴ = 72680669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72697057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84300 + ... + 85157.

It is an arithmetic number, because the mean of its divisors is an integer number (7117236).

Almost surely, 2^72697053 is an apocalyptic number.

It is an amenable number.

72697053 is a deficient number, since it is larger than the sum of its proper divisors (41178723).

72697053 is a wasteful number, since it uses less digits than its factorization.

72697053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169484.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 72697053 is about 8526.2566815690. The cubic root of 72697053 is about 417.3549818450.

It can be divided in two parts, 726 and 97053, that added together give a palindrome (97779).

The spelling of 72697053 in words is "seventy-two million, six hundred ninety-seven thousand, fifty-three".