71242376 has 32 divisors (see below), whose sum is σ = 141834240. Its totient is φ = 33431808.

The previous prime is 71242351. The next prime is 71242397. The reversal of 71242376 is 67324217.

It is a super-2 number, since 2×71242376² = 10150952276250752, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 82121 + ... + 82983.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2^71242376 is an apocalyptic number.

It is an amenable number.

71242376 is a deficient number, since it is larger than the sum of its proper divisors (70591864).

71242376 is a wasteful number, since it uses less digits than its factorization.

71242376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1489 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 71242376 is about 8440.5198892011. The cubic root of 71242376 is about 414.5524298494.

The spelling of 71242376 in words is "seventy-one million, two hundred forty-two thousand, three hundred seventy-six".