72453514 has 8 divisors (see below), whose sum is σ = 124206048. Its totient is φ = 31051500.

The previous prime is 72453509. The next prime is 72453527. The reversal of 72453514 is 41535427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587612 + ... + 2587639.

It is an arithmetic number, because the mean of its divisors is an integer number (15525756).

Almost surely, 2^72453514 is an apocalyptic number.

72453514 is a deficient number, since it is larger than the sum of its proper divisors (51752534).

72453514 is a wasteful number, since it uses less digits than its factorization.

72453514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175260.

The product of its digits is 16800, while the sum is 31.

The square root of 72453514 is about 8511.9629933406. The cubic root of 72453514 is about 416.8884066322. Note that the first 3 decimals are identical.

The spelling of 72453514 in words is "seventy-two million, four hundred fifty-three thousand, five hundred fourteen".