75471477 has 8 divisors (see below), whose sum is σ = 105924960. Its totient is φ = 47666160.

The previous prime is 75471469. The next prime is 75471479. The reversal of 75471477 is 77417457.

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

It is not a de Polignac number, because 75471477 - 2³ = 75471469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75471479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661974 + ... + 662087.

It is an arithmetic number, because the mean of its divisors is an integer number (13240620).

Almost surely, 2^75471477 is an apocalyptic number.

It is an amenable number.

75471477 is a deficient number, since it is larger than the sum of its proper divisors (30453483).

75471477 is a wasteful number, since it uses less digits than its factorization.

75471477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324083.

The product of its digits is 192080, while the sum is 42.

The square root of 75471477 is about 8687.4321292313. The cubic root of 75471477 is about 422.5981742612.

The spelling of 75471477 in words is "seventy-five million, four hundred seventy-one thousand, four hundred seventy-seven".