72741845 has 8 divisors (see below), whose sum is σ = 95225760. Its totient is φ = 52903120.

The previous prime is 72741839. The next prime is 72741859. The reversal of 72741845 is 54814727.

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

It is not a de Polignac number, because 72741845 - 2²⁶ = 5632981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72741799 and 72741808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661235 + ... + 661344.

It is an arithmetic number, because the mean of its divisors is an integer number (11903220).

Almost surely, 2^72741845 is an apocalyptic number.

It is an amenable number.

72741845 is a deficient number, since it is larger than the sum of its proper divisors (22483915).

72741845 is a wasteful number, since it uses less digits than its factorization.

72741845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322595.

The product of its digits is 62720, while the sum is 38.

The square root of 72741845 is about 8528.8829866519. The cubic root of 72741845 is about 417.4406814501.

It can be divided in two parts, 7274 and 1845, that added together give a palindrome (9119).

The spelling of 72741845 in words is "seventy-two million, seven hundred forty-one thousand, eight hundred forty-five".