674032207640 has 64 divisors (see below), whose sum is σ = 1707811845120. Its totient is φ = 237196080000.

The previous prime is 674032207603. The next prime is 674032207643. The reversal of 674032207640 is 46702230476.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674032207643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24694286 + ... + 24721565.

It is an arithmetic number, because the mean of its divisors is an integer number (26684560080).

Almost surely, 2^674032207640 is an apocalyptic number.

It is an amenable number.

674032207640 is an abundant number, since it is smaller than the sum of its proper divisors (1033779637480).

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

674032207640 is a wasteful number, since it uses less digits than its factorization.

674032207640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49415904 (or 49415900 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 674032207640 in words is "six hundred seventy-four billion, thirty-two million, two hundred seven thousand, six hundred forty".