740646400 has 120 divisors (see below), whose sum is σ = 1976607864. Its totient is φ = 273408000.

The previous prime is 740646383. The next prime is 740646407. The reversal of 740646400 is 4646047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740646407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164175 + ... + 168625.

Almost surely, 2^740646400 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 740646400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988303932).

740646400 is an abundant number, since it is smaller than the sum of its proper divisors (1235961464).

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

740646400 is a wasteful number, since it uses less digits than its factorization.

740646400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492 (or 4471 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 740646400 is about 27214.8194923281. The cubic root of 740646400 is about 904.7674585422.

The spelling of 740646400 in words is "seven hundred forty million, six hundred forty-six thousand, four hundred".