73378411 has 4 divisors (see below), whose sum is σ = 73546000. Its totient is φ = 73210824.

The previous prime is 73378387. The next prime is 73378423. The reversal of 73378411 is 11487337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11487337 = 61 ⋅188317.

It is a cyclic number.

It is not a de Polignac number, because 73378411 - 2⁵ = 73378379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73370411) 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, 83136 + ... + 84013.

It is an arithmetic number, because the mean of its divisors is an integer number (18386500).

Almost surely, 2^73378411 is an apocalyptic number.

73378411 is a deficient number, since it is larger than the sum of its proper divisors (167589).

73378411 is a wasteful number, since it uses less digits than its factorization.

73378411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167588.

The product of its digits is 14112, while the sum is 34.

The square root of 73378411 is about 8566.1199501291. The cubic root of 73378411 is about 418.6548251510.

The spelling of 73378411 in words is "seventy-three million, three hundred seventy-eight thousand, four hundred eleven".