72041156 has 12 divisors (see below), whose sum is σ = 137533200. Its totient is φ = 32745960.

The previous prime is 72041119. The next prime is 72041161. The reversal of 72041156 is 65114027.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818606 + ... + 818693.

It is an arithmetic number, because the mean of its divisors is an integer number (11461100).

Almost surely, 2^72041156 is an apocalyptic number.

It is an amenable number.

72041156 is a deficient number, since it is larger than the sum of its proper divisors (65492044).

72041156 is a wasteful number, since it uses less digits than its factorization.

72041156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637314 (or 1637312 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 72041156 is about 8487.7061683355. The cubic root of 72041156 is about 416.0960161136.

The spelling of 72041156 in words is "seventy-two million, forty-one thousand, one hundred fifty-six".