73978041 has 8 divisors (see below), whose sum is σ = 98677440. Its totient is φ = 49298672.

The previous prime is 73978019. The next prime is 73978057. The reversal of 73978041 is 14087937.

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 73978041 - 2⁹ = 73977529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73978081) 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, 10300 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (12334680).

Almost surely, 2^73978041 is an apocalyptic number.

It is an amenable number.

73978041 is a deficient number, since it is larger than the sum of its proper divisors (24699399).

73978041 is a wasteful number, since it uses less digits than its factorization.

73978041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 73978041 is about 8601.0488313926. The cubic root of 73978041 is about 419.7921136733.

The spelling of 73978041 in words is "seventy-three million, nine hundred seventy-eight thousand, forty-one".