73200381 has 16 divisors (see below), whose sum is σ = 99460608. Its totient is φ = 47876400.

The previous prime is 73200377. The next prime is 73200389. The reversal of 73200381 is 18300237.

It is not a de Polignac number, because 73200381 - 2² = 73200377 is a prime.

It is a super-2 number, since 2×73200381² = 10716591557090322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73200389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61926 + ... + 63096.

It is an arithmetic number, because the mean of its divisors is an integer number (6216288).

Almost surely, 2^73200381 is an apocalyptic number.

It is an amenable number.

73200381 is a deficient number, since it is larger than the sum of its proper divisors (26260227).

73200381 is a wasteful number, since it uses less digits than its factorization.

73200381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 73200381 is about 8555.7221203122. The cubic root of 73200381 is about 418.3159721829.

The spelling of 73200381 in words is "seventy-three million, two hundred thousand, three hundred eighty-one".