72550841 has 8 divisors (see below), whose sum is σ = 79488864. Its totient is φ = 65669920.

The previous prime is 72550783. The next prime is 72550867. The reversal of 72550841 is 14805527.

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

It is a cyclic number.

It is not a de Polignac number, because 72550841 - 2¹⁰ = 72549817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72550798 and 72550807.

It is not an unprimeable number, because it can be changed into a prime (72550871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11591 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (9936108).

Almost surely, 2^72550841 is an apocalyptic number.

It is an amenable number.

72550841 is a deficient number, since it is larger than the sum of its proper divisors (6938023).

72550841 is a wasteful number, since it uses less digits than its factorization.

72550841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28551.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 72550841 is about 8517.6781460677. The cubic root of 72550841 is about 417.0749922157.

The spelling of 72550841 in words is "seventy-two million, five hundred fifty thousand, eight hundred forty-one".