74019005731 has 8 divisors (see below), whose sum is σ = 81033338304. Its totient is φ = 67052228520.

The previous prime is 74019005729. The next prime is 74019005773. The reversal of 74019005731 is 13750091047.

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

It is a cyclic number.

It is not a de Polignac number, because 74019005731 - 2¹ = 74019005729 is a prime.

It is a super-2 number, since 2×74019005731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74019605731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11885581 + ... + 11891806.

It is an arithmetic number, because the mean of its divisors is an integer number (10129167288).

Almost surely, 2^74019005731 is an apocalyptic number.

74019005731 is a deficient number, since it is larger than the sum of its proper divisors (7014332573).

74019005731 is a wasteful number, since it uses less digits than its factorization.

74019005731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23777681.

The product of its (nonzero) digits is 26460, while the sum is 37.

Adding to 74019005731 its reverse (13750091047), we get a palindrome (87769096778).

The spelling of 74019005731 in words is "seventy-four billion, nineteen million, five thousand, seven hundred thirty-one".