74317731772 has 6 divisors (see below), whose sum is σ = 130056030608. Its totient is φ = 37158865884.

The previous prime is 74317731757. The next prime is 74317731781. The reversal of 74317731772 is 27713771347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9289716468 + ... + 9289716475.

Almost surely, 2^74317731772 is an apocalyptic number.

It is an amenable number.

74317731772 is a deficient number, since it is larger than the sum of its proper divisors (55738298836).

74317731772 is a wasteful number, since it uses less digits than its factorization.

74317731772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18579432947 (or 18579432945 counting only the distinct ones).

The product of its digits is 1210104, while the sum is 49.

The spelling of 74317731772 in words is "seventy-four billion, three hundred seventeen million, seven hundred thirty-one thousand, seven hundred seventy-two".