78044041 has 4 divisors (see below), whose sum is σ = 78079252. Its totient is φ = 78008832.

The previous prime is 78044003. The next prime is 78044051. The reversal of 78044041 is 14044087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14044087 = 811 ⋅17317.

It can be written as a sum of positive squares in 2 ways, for example, as 40589641 + 37454400 = 6371^2 + 6120^2 .

It is a cyclic number.

It is not a de Polignac number, because 78044041 - 2²⁵ = 44489609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78044051) 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, 14040 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (19519813).

Almost surely, 2^78044041 is an apocalyptic number.

It is an amenable number.

78044041 is a deficient number, since it is larger than the sum of its proper divisors (35211).

78044041 is a wasteful number, since it uses less digits than its factorization.

78044041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35210.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 78044041 is about 8834.2538451190. The cubic root of 78044041 is about 427.3462684930.

The spelling of 78044041 in words is "seventy-eight million, forty-four thousand, forty-one".