73968378 has 32 divisors (see below), whose sum is σ = 162233280. Its totient is φ = 22296960.

The previous prime is 73968373. The next prime is 73968383. The reversal of 73968378 is 87386937.

It is an interprime number because it is at equal distance from previous prime (73968373) and next prime (73968383).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73968378.

It is not an unprimeable number, because it can be changed into a prime (73968373) 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, 10158 + ... + 15846.

It is an arithmetic number, because the mean of its divisors is an integer number (5069790).

Almost surely, 2^73968378 is an apocalyptic number.

73968378 is an abundant number, since it is smaller than the sum of its proper divisors (88264902).

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

73968378 is a wasteful number, since it uses less digits than its factorization.

73968378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902.

The product of its digits is 1524096, while the sum is 51.

The square root of 73968378 is about 8600.4870792299. The cubic root of 73968378 is about 419.7738351510.

The spelling of 73968378 in words is "seventy-three million, nine hundred sixty-eight thousand, three hundred seventy-eight".