72741611 has 4 divisors (see below), whose sum is σ = 72780000. Its totient is φ = 72703224.

The previous prime is 72741601. The next prime is 72741637. The reversal of 72741611 is 11614727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11614727 = 359 ⋅32353.

It is a cyclic number.

It is not a de Polignac number, because 72741611 - 2¹⁰ = 72740587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72741601) 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, 16196 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (18195000).

Almost surely, 2^72741611 is an apocalyptic number.

72741611 is a deficient number, since it is larger than the sum of its proper divisors (38389).

72741611 is a wasteful number, since it uses less digits than its factorization.

72741611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38388.

The product of its digits is 2352, while the sum is 29.

The square root of 72741611 is about 8528.8692685490. The cubic root of 72741611 is about 417.4402338342.

The spelling of 72741611 in words is "seventy-two million, seven hundred forty-one thousand, six hundred eleven".