73078542 has 12 divisors (see below), whose sum is σ = 158336880. Its totient is φ = 24359508.

The previous prime is 73078517. The next prime is 73078553. The reversal of 73078542 is 24587037.

It is a junction number, because it is equal to n+sod(n) for n = 73078497 and 73078506.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2029942 + ... + 2029977.

It is an arithmetic number, because the mean of its divisors is an integer number (13194740).

Almost surely, 2^73078542 is an apocalyptic number.

73078542 is an abundant number, since it is smaller than the sum of its proper divisors (85258338).

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

73078542 is a wasteful number, since it uses less digits than its factorization.

73078542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059927 (or 4059924 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 73078542 is about 8548.5988325573. The cubic root of 73078542 is about 418.0837534303.

The spelling of 73078542 in words is "seventy-three million, seventy-eight thousand, five hundred forty-two".