71896137 has 16 divisors (see below), whose sum is σ = 100925568. Its totient is φ = 45436160.

The previous prime is 71896103. The next prime is 71896141. The reversal of 71896137 is 73169817.

It is a cyclic number.

It is not a de Polignac number, because 71896137 - 2¹⁶ = 71830601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71896157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3187 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (6307848).

Almost surely, 2^71896137 is an apocalyptic number.

It is an amenable number.

71896137 is a deficient number, since it is larger than the sum of its proper divisors (29029431).

71896137 is a wasteful number, since it uses less digits than its factorization.

71896137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360.

The product of its digits is 63504, while the sum is 42.

The square root of 71896137 is about 8479.1589795215. The cubic root of 71896137 is about 415.8166278386.

The spelling of 71896137 in words is "seventy-one million, eight hundred ninety-six thousand, one hundred thirty-seven".