72041277 has 16 divisors (see below), whose sum is σ = 119757312. Its totient is φ = 37423920.

The previous prime is 72041251. The next prime is 72041279. The reversal of 72041277 is 77214027.

It is not a de Polignac number, because 72041277 - 2⁶ = 72041213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72041279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155703 + ... + 156164.

It is an arithmetic number, because the mean of its divisors is an integer number (7484832).

Almost surely, 2^72041277 is an apocalyptic number.

72041277 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

72041277 is a deficient number, since it is larger than the sum of its proper divisors (47716035).

72041277 is a wasteful number, since it uses less digits than its factorization.

72041277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311888.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 72041277 is about 8487.7132962889. The cubic root of 72041277 is about 416.0962490712.

The spelling of 72041277 in words is "seventy-two million, forty-one thousand, two hundred seventy-seven".