74640677348 has 12 divisors (see below), whose sum is σ = 134151487932. Its totient is φ = 36311680800.

The previous prime is 74640677329. The next prime is 74640677383. The reversal of 74640677348 is 84377604647.

It can be written as a sum of positive squares in 2 ways, for example, as 35769400384 + 38871276964 = 189128^2 + 197158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74640677293 and 74640677302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252164303 + ... + 252164598.

It is an arithmetic number, because the mean of its divisors is an integer number (11179290661).

Almost surely, 2^74640677348 is an apocalyptic number.

It is an amenable number.

74640677348 is a deficient number, since it is larger than the sum of its proper divisors (59510810584).

74640677348 is a wasteful number, since it uses less digits than its factorization.

74640677348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504328942 (or 504328940 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 74640677348 in words is "seventy-four billion, six hundred forty million, six hundred seventy-seven thousand, three hundred forty-eight".