74685731541 has 8 divisors (see below), whose sum is σ = 99994175424. Its totient is φ = 49583887680.

The previous prime is 74685731521. The next prime is 74685731551. The reversal of 74685731541 is 14513758647.

It is a happy number.

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

It is not a de Polignac number, because 74685731541 - 2¹⁹ = 74685207253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74685731521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51649161 + ... + 51650606.

It is an arithmetic number, because the mean of its divisors is an integer number (12499271928).

Almost surely, 2^74685731541 is an apocalyptic number.

It is an amenable number.

74685731541 is a deficient number, since it is larger than the sum of its proper divisors (25308443883).

74685731541 is a wasteful number, since it uses less digits than its factorization.

74685731541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103300011.

The product of its digits is 2822400, while the sum is 51.

The spelling of 74685731541 in words is "seventy-four billion, six hundred eighty-five million, seven hundred thirty-one thousand, five hundred forty-one".