74131706 has 8 divisors (see below), whose sum is σ = 121306464. Its totient is φ = 33696220.

The previous prime is 74131703. The next prime is 74131709. The reversal of 74131706 is 60713147.

It is an interprime number because it is at equal distance from previous prime (74131703) and next prime (74131709).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74131703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684790 + ... + 1684833.

It is an arithmetic number, because the mean of its divisors is an integer number (15163308).

Almost surely, 2^74131706 is an apocalyptic number.

74131706 is a deficient number, since it is larger than the sum of its proper divisors (47174758).

74131706 is a wasteful number, since it uses less digits than its factorization.

74131706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369636.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 74131706 is about 8609.9771195979. The cubic root of 74131706 is about 420.0825725784.

It can be divided in two parts, 7413 and 1706, that added together give a palindrome (9119).

The spelling of 74131706 in words is "seventy-four million, one hundred thirty-one thousand, seven hundred six".