71074630 has 64 divisors (see below), whose sum is σ = 151787520. Its totient is φ = 23673600.

The previous prime is 71074613. The next prime is 71074673. The reversal of 71074630 is 3647017.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 64242 + ... + 65338.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 2^71074630 is an apocalyptic number.

71074630 is an abundant number, since it is smaller than the sum of its proper divisors (80712890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71074630 is a wasteful number, since it uses less digits than its factorization.

71074630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 71074630 is about 8430.5770858228. The cubic root of 71074630 is about 414.2268082829.

The spelling of 71074630 in words is "seventy-one million, seventy-four thousand, six hundred thirty".