72442877 has 16 divisors (see below), whose sum is σ = 84779520. Its totient is φ = 61300800.

The previous prime is 72442873. The next prime is 72442883. The reversal of 72442877 is 77824427.

It is a cyclic number.

It is not a de Polignac number, because 72442877 - 2² = 72442873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72442871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2927 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (5298720).

Almost surely, 2^72442877 is an apocalyptic number.

It is an amenable number.

72442877 is a deficient number, since it is larger than the sum of its proper divisors (12336643).

72442877 is a wasteful number, since it uses less digits than its factorization.

72442877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524.

The product of its digits is 175616, while the sum is 41.

The square root of 72442877 is about 8511.3381439113. The cubic root of 72442877 is about 416.8680043137.

The spelling of 72442877 in words is "seventy-two million, four hundred forty-two thousand, eight hundred seventy-seven".