674637498 has 96 divisors (see below), whose sum is σ = 1583487360. Its totient is φ = 215006400.

The previous prime is 674637497. The next prime is 674637517. The reversal of 674637498 is 894736476.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (674637497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2128036 + ... + 2128352.

It is an arithmetic number, because the mean of its divisors is an integer number (16494660).

Almost surely, 2^674637498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674637498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791743680).

674637498 is an abundant number, since it is smaller than the sum of its proper divisors (908849862).

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

674637498 is a wasteful number, since it uses less digits than its factorization.

674637498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 502 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 674637498 is about 25973.7848223935. The cubic root of 674637498 is about 877.0482618961.

It can be divided in two parts, 6746 and 37498, that added together give a palindrome (44244).

The spelling of 674637498 in words is "six hundred seventy-four million, six hundred thirty-seven thousand, four hundred ninety-eight".