72938805 has 16 divisors (see below), whose sum is σ = 116835264. Its totient is φ = 38856320.

The previous prime is 72938791. The next prime is 72938807. The reversal of 72938805 is 50883927.

It is not a de Polignac number, because 72938805 - 2⁹ = 72938293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72938807) 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, 14137 + ... + 18593.

It is an arithmetic number, because the mean of its divisors is an integer number (7302204).

Almost surely, 2^72938805 is an apocalyptic number.

It is an amenable number.

72938805 is a deficient number, since it is larger than the sum of its proper divisors (43896459).

72938805 is a wasteful number, since it uses less digits than its factorization.

72938805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 72938805 is about 8540.4218279895. The cubic root of 72938805 is about 417.8171040396.

The spelling of 72938805 in words is "seventy-two million, nine hundred thirty-eight thousand, eight hundred five".