71484375 has 36 divisors (see below), whose sum is σ = 121093688. Its totient is φ = 37500000.

The previous prime is 71484373. The next prime is 71484379. The reversal of 71484375 is 57348417.

It is not a de Polignac number, because 71484375 - 2¹ = 71484373 is a prime.

It is a super-2 number, since 2×71484375² = 10220031738281250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71484373) 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 35 ways as a sum of consecutive naturals, for example, 1171845 + ... + 1171905.

Almost surely, 2^71484375 is an apocalyptic number.

71484375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71484375 is a deficient number, since it is larger than the sum of its proper divisors (49609313).

71484375 is an frugal number, since it uses more digits than its factorization.

71484375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 69 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 71484375 is about 8454.8432865429. The cubic root of 71484375 is about 415.0212888871.

The spelling of 71484375 in words is "seventy-one million, four hundred eighty-four thousand, three hundred seventy-five".