73468278 has 48 divisors (see below), whose sum is σ = 174270096. Its totient is φ = 22230720.

The previous prime is 73468277. The next prime is 73468303. The reversal of 73468278 is 87286437.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73468277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11701 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (3630627).

Almost surely, 2^73468278 is an apocalyptic number.

73468278 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73468278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87135048).

73468278 is an abundant number, since it is smaller than the sum of its proper divisors (100801818).

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

73468278 is a wasteful number, since it uses less digits than its factorization.

73468278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229 (or 5226 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 73468278 is about 8571.3638354698. The cubic root of 73468278 is about 418.8256651568.

The spelling of 73468278 in words is "seventy-three million, four hundred sixty-eight thousand, two hundred seventy-eight".