73038378 has 16 divisors (see below), whose sum is σ = 166944960. Its totient is φ = 20868096.

The previous prime is 73038377. The next prime is 73038379. The reversal of 73038378 is 87383037.

It is an interprime number because it is at equal distance from previous prime (73038377) and next prime (73038379).

It is not an unprimeable number, because it can be changed into a prime (73038377) 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 7 ways as a sum of consecutive naturals, for example, 869463 + ... + 869546.

It is an arithmetic number, because the mean of its divisors is an integer number (10434060).

Almost surely, 2^73038378 is an apocalyptic number.

73038378 is an abundant number, since it is smaller than the sum of its proper divisors (93906582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73038378 is a wasteful number, since it uses less digits than its factorization.

73038378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739021.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 73038378 is about 8546.2493527863. The cubic root of 73038378 is about 418.0071463870.

The spelling of 73038378 in words is "seventy-three million, thirty-eight thousand, three hundred seventy-eight".