73378412 has 6 divisors (see below), whose sum is σ = 128412228. Its totient is φ = 36689204.

The previous prime is 73378387. The next prime is 73378423. The reversal of 73378412 is 21487337.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9172298 + ... + 9172305.

It is an arithmetic number, because the mean of its divisors is an integer number (21402038).

Almost surely, 2^73378412 is an apocalyptic number.

It is an amenable number.

73378412 is a deficient number, since it is larger than the sum of its proper divisors (55033816).

73378412 is a wasteful number, since it uses less digits than its factorization.

73378412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18344607 (or 18344605 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 73378412 is about 8566.1200084986. The cubic root of 73378412 is about 418.6548270528.

The spelling of 73378412 in words is "seventy-three million, three hundred seventy-eight thousand, four hundred twelve".