74001346740 has 48 divisors (see below), whose sum is σ = 230226413760. Its totient is φ = 19733692320.

The previous prime is 74001346729. The next prime is 74001346759. The reversal of 74001346740 is 4764310047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74001346695 and 74001346704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68519226 + ... + 68520305.

It is an arithmetic number, because the mean of its divisors is an integer number (4796383620).

Almost surely, 2^74001346740 is an apocalyptic number.

It is an amenable number.

74001346740 is an abundant number, since it is smaller than the sum of its proper divisors (156225067020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74001346740 is a wasteful number, since it uses less digits than its factorization.

74001346740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137039549 (or 137039541 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 74001346740 its reverse (4764310047), we get a palindrome (78765656787).

The spelling of 74001346740 in words is "seventy-four billion, one million, three hundred forty-six thousand, seven hundred forty".