73058454378 has 48 divisors (see below), whose sum is σ = 194822549376. Its totient is φ = 19268163360.

The previous prime is 73058454373. The next prime is 73058454379. The reversal of 73058454378 is 87345485037.

It is a happy number.

73058454378 is a `hidden beast` number, since 7 + 3 + 0 + 584 + 54 + 3 + 7 + 8 = 666.

It is a super-2 number, since 2×73058454378² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73058454373) 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 23 ways as a sum of consecutive naturals, for example, 22299478 + ... + 22302753.

It is an arithmetic number, because the mean of its divisors is an integer number (4058803112).

Almost surely, 2^73058454378 is an apocalyptic number.

73058454378 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

73058454378 is an abundant number, since it is smaller than the sum of its proper divisors (121764094998).

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

73058454378 is a wasteful number, since it uses less digits than its factorization.

73058454378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44602259 (or 44602256 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 73058454378 in words is "seventy-three billion, fifty-eight million, four hundred fifty-four thousand, three hundred seventy-eight".