71746493 has 32 divisors (see below), whose sum is σ = 94402560. Its totient is φ = 52980480.

The previous prime is 71746483. The next prime is 71746501. The reversal of 71746493 is 39464717.

It is not a de Polignac number, because 71746493 - 2¹⁸ = 71484349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71746493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71746463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81371 + ... + 82247.

It is an arithmetic number, because the mean of its divisors is an integer number (2950080).

Almost surely, 2^71746493 is an apocalyptic number.

It is an amenable number.

71746493 is a deficient number, since it is larger than the sum of its proper divisors (22656067).

71746493 is a wasteful number, since it uses less digits than its factorization.

71746493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its digits is 127008, while the sum is 41.

The square root of 71746493 is about 8470.3301588545. The cubic root of 71746493 is about 415.5279350697.

The spelling of 71746493 in words is "seventy-one million, seven hundred forty-six thousand, four hundred ninety-three".