74653 has 2 divisors, whose sum is σ = 74654. Its totient is φ = 74652.

The previous prime is 74623. The next prime is 74687. The reversal of 74653 is 35647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71289 + 3364 = 267^2 + 58^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74653 is a prime.

It is an Ulam number.

It is a plaindrome in base 9 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37326 + 37327.

It is an arithmetic number, because the mean of its divisors is an integer number (37327).

2⁷⁴⁶⁵³ is an apocalyptic number.

It is an amenable number.

74653 is a deficient number, since it is larger than the sum of its proper divisors (1).

74653 is an equidigital number, since it uses as much as digits as its factorization.

74653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 25.

The square root of 74653 is about 273.2270118418. The cubic root of 74653 is about 42.1064946734.

It can be divided in two parts, 74 and 653, that added together give a palindrome (727).

The spelling of 74653 in words is "seventy-four thousand, six hundred fifty-three".