74012945731 has 8 divisors (see below), whose sum is σ = 74199131600. Its totient is φ = 73826961408.

The previous prime is 74012945717. The next prime is 74012945801. The reversal of 74012945731 is 13754921047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74012945731 is a prime.

It is a super-2 number, since 2×74012945731² (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 (74012948731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698920 + ... + 797818.

It is an arithmetic number, because the mean of its divisors is an integer number (9274891450).

Almost surely, 2^74012945731 is an apocalyptic number.

74012945731 is a deficient number, since it is larger than the sum of its proper divisors (186185869).

74012945731 is a wasteful number, since it uses less digits than its factorization.

74012945731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100773.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 74012945731 in words is "seventy-four billion, twelve million, nine hundred forty-five thousand, seven hundred thirty-one".