73378040 has 16 divisors (see below), whose sum is σ = 165100680. Its totient is φ = 29351200.

The previous prime is 73378031. The next prime is 73378049. The reversal of 73378040 is 4087337.

It is an interprime number because it is at equal distance from previous prime (73378031) and next prime (73378049).

It is a junction number, because it is equal to n+sod(n) for n = 73377988 and 73378006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73378049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917186 + ... + 917265.

Almost surely, 2^73378040 is an apocalyptic number.

It is an amenable number.

73378040 is an abundant number, since it is smaller than the sum of its proper divisors (91722640).

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

73378040 is a wasteful number, since it uses less digits than its factorization.

73378040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834462 (or 1834458 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 73378040 is about 8566.0982950232. The cubic root of 73378040 is about 418.6541195793.

The spelling of 73378040 in words is "seventy-three million, three hundred seventy-eight thousand, forty".