74917871948 has 24 divisors (see below), whose sum is σ = 146124644400. Its totient is φ = 33399917568.

The previous prime is 74917871939. The next prime is 74917871971. The reversal of 74917871948 is 84917871947.

It is a super-2 number, since 2×74917871948² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28991693 + ... + 28994276.

It is an arithmetic number, because the mean of its divisors is an integer number (6088526850).

Almost surely, 2^74917871948 is an apocalyptic number.

It is an amenable number.

74917871948 is a deficient number, since it is larger than the sum of its proper divisors (71206772452).

74917871948 is a wasteful number, since it uses less digits than its factorization.

74917871948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57986009 (or 57986007 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 65.

Subtracting 74917871948 from its reverse (84917871947), we obtain a palindrome (9999999999).

The spelling of 74917871948 in words is "seventy-four billion, nine hundred seventeen million, eight hundred seventy-one thousand, nine hundred forty-eight".