72553043 has 4 divisors (see below), whose sum is σ = 72629040. Its totient is φ = 72477048.

The previous prime is 72553037. The next prime is 72553049. The reversal of 72553043 is 34035527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34035527 = 349 ⋅97523.

It is an interprime number because it is at equal distance from previous prime (72553037) and next prime (72553049).

It is a cyclic number.

It is not a de Polignac number, because 72553043 - 2¹⁰ = 72552019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72552997 and 72553015.

It is not an unprimeable number, because it can be changed into a prime (72553049) by changing a digit.

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, 36548 + ... + 38481.

It is an arithmetic number, because the mean of its divisors is an integer number (18157260).

Almost surely, 2^72553043 is an apocalyptic number.

72553043 is a deficient number, since it is larger than the sum of its proper divisors (75997).

72553043 is an equidigital number, since it uses as much as digits as its factorization.

72553043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75996.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 72553043 is about 8517.8074056649. The cubic root of 72553043 is about 417.0792117387.

The spelling of 72553043 in words is "seventy-two million, five hundred fifty-three thousand, forty-three".