72029541 has 4 divisors (see below), whose sum is σ = 96039392. Its totient is φ = 48019692.

The previous prime is 72029539. The next prime is 72029549. The reversal of 72029541 is 14592027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14592027 = 3 ⋅4864009.

It is not a de Polignac number, because 72029541 - 2¹ = 72029539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72029499 and 72029508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72029549) 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, 12004921 + ... + 12004926.

It is an arithmetic number, because the mean of its divisors is an integer number (24009848).

Almost surely, 2^72029541 is an apocalyptic number.

It is an amenable number.

72029541 is a deficient number, since it is larger than the sum of its proper divisors (24009851).

72029541 is a wasteful number, since it uses less digits than its factorization.

72029541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24009850.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 72029541 is about 8487.0219158430. The cubic root of 72029541 is about 416.0736529014.

The spelling of 72029541 in words is "seventy-two million, twenty-nine thousand, five hundred forty-one".