72373052053 has 4 divisors (see below), whose sum is σ = 72559101420. Its totient is φ = 72187002688.

The previous prime is 72373052009. The next prime is 72373052093. The reversal of 72373052053 is 35025037327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35025037327 = 7 ⋅5003576761.

It can be written as a sum of positive squares in 2 ways, for example, as 28599206769 + 43773845284 = 169113^2 + 209222^2 .

It is a cyclic number.

It is not a de Polignac number, because 72373052053 - 2¹³ = 72373043861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72373052093) 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, 93024100 + ... + 93024877.

It is an arithmetic number, because the mean of its divisors is an integer number (18139775355).

Almost surely, 2^72373052053 is an apocalyptic number.

It is an amenable number.

72373052053 is a deficient number, since it is larger than the sum of its proper divisors (186049367).

72373052053 is a wasteful number, since it uses less digits than its factorization.

72373052053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186049366.

The product of its (nonzero) digits is 132300, while the sum is 37.

The spelling of 72373052053 in words is "seventy-two billion, three hundred seventy-three million, fifty-two thousand, fifty-three".