74066673737 has 16 divisors (see below), whose sum is σ = 90854675712. Its totient is φ = 58932748800.

The previous prime is 74066673731. The next prime is 74066673803. The reversal of 74066673737 is 73737666047.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74066673737 - 2¹⁶ = 74066608201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74066673731) 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, 4254389 + ... + 4271762.

It is an arithmetic number, because the mean of its divisors is an integer number (5678417232).

Almost surely, 2^74066673737 is an apocalyptic number.

It is an amenable number.

74066673737 is a deficient number, since it is larger than the sum of its proper divisors (16788001975).

74066673737 is a wasteful number, since it uses less digits than its factorization.

74066673737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526248.

The product of its (nonzero) digits is 18670176, while the sum is 56.

The spelling of 74066673737 in words is "seventy-four billion, sixty-six million, six hundred seventy-three thousand, seven hundred thirty-seven".