78434041 has 8 divisors (see below), whose sum is σ = 90141120. Its totient is φ = 66852528.

The previous prime is 78434029. The next prime is 78434089. The reversal of 78434041 is 14043487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78434041 - 2¹¹ = 78431993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78433994 and 78434012.

It is not an unprimeable number, because it can be changed into a prime (78437041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30046 + ... + 32551.

It is an arithmetic number, because the mean of its divisors is an integer number (11267640).

Almost surely, 2^78434041 is an apocalyptic number.

It is an amenable number.

78434041 is a deficient number, since it is larger than the sum of its proper divisors (11707079).

78434041 is a wasteful number, since it uses less digits than its factorization.

78434041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62783.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 78434041 is about 8856.2995093888. The cubic root of 78434041 is about 428.0569278952.

The spelling of 78434041 in words is "seventy-eight million, four hundred thirty-four thousand, forty-one".