74140666748 has 24 divisors (see below), whose sum is σ = 133604511600. Its totient is φ = 35973237888.

The previous prime is 74140666739. The next prime is 74140666757. The reversal of 74140666748 is 84766604147.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74140666739) and next prime (74140666757).

It is a self number, because there is not a number n which added to its sum of digits gives 74140666748.

It is a congruent number.

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, 604793 + ... + 716976.

It is an arithmetic number, because the mean of its divisors is an integer number (5566854650).

Almost surely, 2^74140666748 is an apocalyptic number.

It is an amenable number.

74140666748 is a deficient number, since it is larger than the sum of its proper divisors (59463844852).

74140666748 is a wasteful number, since it uses less digits than its factorization.

74140666748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322189 (or 1322187 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 74140666748 in words is "seventy-four billion, one hundred forty million, six hundred sixty-six thousand, seven hundred forty-eight".