67472453 has 4 divisors (see below), whose sum is σ = 67501068. Its totient is φ = 67443840.

The previous prime is 67472411. The next prime is 67472479. The reversal of 67472453 is 35427476.

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 57123364 + 10349089 = 7558^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 67472453 - 2²⁶ = 363589 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 (67472653) 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, 10418 + ... + 15603.

It is an arithmetic number, because the mean of its divisors is an integer number (16875267).

Almost surely, 2^67472453 is an apocalyptic number.

It is an amenable number.

67472453 is a deficient number, since it is larger than the sum of its proper divisors (28615).

67472453 is a wasteful number, since it uses less digits than its factorization.

67472453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28614.

The product of its digits is 141120, while the sum is 38.

The square root of 67472453 is about 8214.1617344681. The cubic root of 67472453 is about 407.1072467587.

The spelling of 67472453 in words is "sixty-seven million, four hundred seventy-two thousand, four hundred fifty-three".