72514853 has 4 divisors (see below), whose sum is σ = 72934188. Its totient is φ = 72095520.

The previous prime is 72514831. The next prime is 72514861. The reversal of 72514853 is 35841527.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35841527 = 491 ⋅72997.

It can be written as a sum of positive squares in 2 ways, for example, as 68442529 + 4072324 = 8273^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 72514853 - 2⁶ = 72514789 is a prime.

It is a super-2 number, since 2×72514853² = 10516807811223218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72514553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209408 + ... + 209753.

It is an arithmetic number, because the mean of its divisors is an integer number (18233547).

Almost surely, 2^72514853 is an apocalyptic number.

It is an amenable number.

72514853 is a deficient number, since it is larger than the sum of its proper divisors (419335).

72514853 is a wasteful number, since it uses less digits than its factorization.

72514853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419334.

The product of its digits is 33600, while the sum is 35.

The square root of 72514853 is about 8515.5653364882. The cubic root of 72514853 is about 417.0060190786.

The spelling of 72514853 in words is "seventy-two million, five hundred fourteen thousand, eight hundred fifty-three".