73878346 has 32 divisors (see below), whose sum is σ = 122808960. Its totient is φ = 33175296.

The previous prime is 73878319. The next prime is 73878353. The reversal of 73878346 is 64387837.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 73878296 and 73878305.

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 15 ways as a sum of consecutive naturals, for example, 119430 + ... + 120046.

It is an arithmetic number, because the mean of its divisors is an integer number (3837780).

Almost surely, 2^73878346 is an apocalyptic number.

73878346 is a deficient number, since it is larger than the sum of its proper divisors (48930614).

73878346 is a wasteful number, since it uses less digits than its factorization.

73878346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its digits is 677376, while the sum is 46.

The square root of 73878346 is about 8595.2513633983. The cubic root of 73878346 is about 419.6034541366.

The spelling of 73878346 in words is "seventy-three million, eight hundred seventy-eight thousand, three hundred forty-six".