674514543722540 has 48 divisors (see below), whose sum is σ = 1425995173512000. Its totient is φ = 267993527139072.

The previous prime is 674514543722473. The next prime is 674514543722557. The reversal of 674514543722540 is 45227345415476.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 674514543722540.

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, 632529521 + ... + 633594999.

It is an arithmetic number, because the mean of its divisors is an integer number (29708232781500).

Almost surely, 2^{674514543722540} is an apocalyptic number.

It is an amenable number.

674514543722540 is an abundant number, since it is smaller than the sum of its proper divisors (751480629789460).

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

674514543722540 is a wasteful number, since it uses less digits than its factorization.

674514543722540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278074 (or 1278072 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 59.

The spelling of 674514543722540 in words is "six hundred seventy-four trillion, five hundred fourteen billion, five hundred forty-three million, seven hundred twenty-two thousand, five hundred forty".