674203006554 has 192 divisors, whose sum is σ = 1860544788480. Its totient is φ = 158687337600.

The previous prime is 674203006549. The next prime is 674203006559. The reversal of 674203006554 is 455600302476.

It is an interprime number because it is at equal distance from previous prime (674203006549) and next prime (674203006559).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (674203006559) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2069044 + ... + 2372624.

It is an arithmetic number, because the mean of its divisors is an integer number (9690337440).

Almost surely, 2^674203006554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674203006554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930272394240).

674203006554 is an abundant number, since it is smaller than the sum of its proper divisors (1186341781926).

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

674203006554 is a wasteful number, since it uses less digits than its factorization.

674203006554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303657 (or 303646 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 674203006554 in words is "six hundred seventy-four billion, two hundred three million, six thousand, five hundred fifty-four".