74910944989 has 8 divisors (see below), whose sum is σ = 75399106688. Its totient is φ = 74422923120.

The previous prime is 74910944963. The next prime is 74910945013. The reversal of 74910944989 is 98944901947.

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 74910944989 - 2¹³ = 74910936797 is a prime.

It is a super-2 number, since 2×74910944989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74910944989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74910944939) 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, 1175824 + ... + 1237894.

It is an arithmetic number, because the mean of its divisors is an integer number (9424888336).

Almost surely, 2^74910944989 is an apocalyptic number.

It is an amenable number.

74910944989 is a deficient number, since it is larger than the sum of its proper divisors (488161699).

74910944989 is a wasteful number, since it uses less digits than its factorization.

74910944989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69915.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 74910944989 in words is "seventy-four billion, nine hundred ten million, nine hundred forty-four thousand, nine hundred eighty-nine".