71478461 has 8 divisors (see below), whose sum is σ = 73142784. Its totient is φ = 69832800.

The previous prime is 71478439. The next prime is 71478479. The reversal of 71478461 is 16487417.

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 71478461 - 2¹⁸ = 71216317 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 (71478401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236 + ... + 12386.

It is an arithmetic number, because the mean of its divisors is an integer number (9142848).

Almost surely, 2^71478461 is an apocalyptic number.

It is an amenable number.

71478461 is a deficient number, since it is larger than the sum of its proper divisors (1664323).

71478461 is a wasteful number, since it uses less digits than its factorization.

71478461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331.

The product of its digits is 37632, while the sum is 38.

The square root of 71478461 is about 8454.4935389413. The cubic root of 71478461 is about 415.0098434787.

The spelling of 71478461 in words is "seventy-one million, four hundred seventy-eight thousand, four hundred sixty-one".