71611442 has 24 divisors (see below), whose sum is σ = 125749296. Its totient is φ = 30495528.

The previous prime is 71611433. The next prime is 71611451. The reversal of 71611442 is 24411617.

It is an interprime number because it is at equal distance from previous prime (71611433) and next prime (71611451).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13733 + ... + 18215.

It is an arithmetic number, because the mean of its divisors is an integer number (5239554).

Almost surely, 2^71611442 is an apocalyptic number.

71611442 is a deficient number, since it is larger than the sum of its proper divisors (54137854).

71611442 is a wasteful number, since it uses less digits than its factorization.

71611442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662 (or 4655 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 71611442 is about 8462.3544005200. The cubic root of 71611442 is about 415.2670502593.

The spelling of 71611442 in words is "seventy-one million, six hundred eleven thousand, four hundred forty-two".