740603556 has 216 divisors, whose sum is σ = 2412027072. Its totient is φ = 186076800.

The previous prime is 740603551. The next prime is 740603557. The reversal of 740603556 is 655306047.

740603556 is a `hidden beast` number, since 7 + 40 + 60 + 3 + 556 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 740603556.

It is not an unprimeable number, because it can be changed into a prime (740603551) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 10431001 + ... + 10431071.

It is an arithmetic number, because the mean of its divisors is an integer number (11166792).

Almost surely, 2^740603556 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 740603556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206013536).

740603556 is an abundant number, since it is smaller than the sum of its proper divisors (1671423516).

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

740603556 is a wasteful number, since it uses less digits than its factorization.

740603556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 740603556 is about 27214.0323362783. The cubic root of 740603556 is about 904.7500122482.

The spelling of 740603556 in words is "seven hundred forty million, six hundred three thousand, five hundred fifty-six".