73053653 has 4 divisors (see below), whose sum is σ = 73723980. Its totient is φ = 72383328.

The previous prime is 73053637. The next prime is 73053667. The reversal of 73053653 is 35635037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 50794129 = 4718^2 + 7127^2 .

It is a cyclic number.

It is not a de Polignac number, because 73053653 - 2⁴ = 73053637 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 (73053553) 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, 335000 + ... + 335217.

It is an arithmetic number, because the mean of its divisors is an integer number (18430995).

Almost surely, 2^73053653 is an apocalyptic number.

It is an amenable number.

73053653 is a deficient number, since it is larger than the sum of its proper divisors (670327).

73053653 is a wasteful number, since it uses less digits than its factorization.

73053653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670326.

The product of its (nonzero) digits is 28350, while the sum is 32.

The square root of 73053653 is about 8547.1429729472. The cubic root of 73053653 is about 418.0362845573.

It can be divided in two parts, 7305 and 3653, that multiplied together give a triangular number (26685165 = T₇₃₀₅).

The spelling of 73053653 in words is "seventy-three million, fifty-three thousand, six hundred fifty-three".