740326400 has 198 divisors, whose sum is σ = 2025547440. Its totient is φ = 268083200.

The previous prime is 740326397. The next prime is 740326403. The reversal of 740326400 is 4623047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (740326397) and next prime (740326403).

It is a self number, because there is not a number n which added to its sum of digits gives 740326400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740326403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3097481 + ... + 3097719.

Almost surely, 2^740326400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740326400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012773720).

740326400 is an abundant number, since it is smaller than the sum of its proper divisors (1285221040).

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

740326400 is a wasteful number, since it uses less digits than its factorization.

740326400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 740326400 is about 27208.9397073829. The cubic root of 740326400 is about 904.6371366622.

Adding to 740326400 its reverse (4623047), we get a palindrome (744949447).

The spelling of 740326400 in words is "seven hundred forty million, three hundred twenty-six thousand, four hundred".