73478261 has 8 divisors (see below), whose sum is σ = 77184384. Its totient is φ = 69814800.

The previous prime is 73478231. The next prime is 73478269. The reversal of 73478261 is 16287437.

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 73478261 - 2¹⁴ = 73461877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (9648048).

Almost surely, 2^73478261 is an apocalyptic number.

It is an amenable number.

73478261 is a deficient number, since it is larger than the sum of its proper divisors (3706123).

73478261 is a wasteful number, since it uses less digits than its factorization.

73478261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331.

The product of its digits is 56448, while the sum is 38.

The square root of 73478261 is about 8571.9461617535. The cubic root of 73478261 is about 418.8446345558.

The spelling of 73478261 in words is "seventy-three million, four hundred seventy-eight thousand, two hundred sixty-one".