71774425 has 24 divisors (see below), whose sum is σ = 94728312. Its totient is φ = 53760000.

The previous prime is 71774401. The next prime is 71774441. The reversal of 71774425 is 52447717.

It can be written as a sum of positive squares in 12 ways, for example, as 861184 + 70913241 = 928^2 + 8421^2 .

It is not a de Polignac number, because 71774425 - 2¹⁷ = 71643353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119125 + ... + 119725.

It is an arithmetic number, because the mean of its divisors is an integer number (3947013).

Almost surely, 2^71774425 is an apocalyptic number.

It is an amenable number.

71774425 is a deficient number, since it is larger than the sum of its proper divisors (22953887).

71774425 is a wasteful number, since it uses less digits than its factorization.

71774425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 904 counting only the distinct ones).

The product of its digits is 54880, while the sum is 37.

The square root of 71774425 is about 8471.9788125325. The cubic root of 71774425 is about 415.5818518533.

The spelling of 71774425 in words is "seventy-one million, seven hundred seventy-four thousand, four hundred twenty-five".