674087400 has 384 divisors, whose sum is σ = 2812320000. Its totient is φ = 144875520.

The previous prime is 674087387. The next prime is 674087411. The reversal of 674087400 is 4780476.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 642076 + ... + 643124.

It is an arithmetic number, because the mean of its divisors is an integer number (7323750).

Almost surely, 2^674087400 is an apocalyptic number.

674087400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674087400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160000).

674087400 is an abundant number, since it is smaller than the sum of its proper divisors (2138232600).

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

674087400 is a wasteful number, since it uses less digits than its factorization.

674087400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 674087400 is about 25963.1931780357. The cubic root of 674087400 is about 876.8098159709.

The spelling of 674087400 in words is "six hundred seventy-four million, eighty-seven thousand, four hundred".