71734425 has 48 divisors (see below), whose sum is σ = 136657920. Its totient is φ = 32523840.

The previous prime is 71734357. The next prime is 71734427. The reversal of 71734425 is 52443717.

It is not a de Polignac number, because 71734425 - 2⁹ = 71733913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71734427) 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 47 ways as a sum of consecutive naturals, for example, 72484 + ... + 73466.

It is an arithmetic number, because the mean of its divisors is an integer number (2847040).

Almost surely, 2^71734425 is an apocalyptic number.

71734425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71734425 is a deficient number, since it is larger than the sum of its proper divisors (64923495).

71734425 is a wasteful number, since it uses less digits than its factorization.

71734425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1137 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 71734425 is about 8469.6177599700. The cubic root of 71734425 is about 415.5046360340.

The spelling of 71734425 in words is "seventy-one million, seven hundred thirty-four thousand, four hundred twenty-five".