740981603 has 4 divisors (see below), whose sum is σ = 741036960. Its totient is φ = 740926248.

The previous prime is 740981599. The next prime is 740981651. The reversal of 740981603 is 306189047.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 740981603 - 2² = 740981599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740981653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6326 + ... + 39012.

It is an arithmetic number, because the mean of its divisors is an integer number (185259240).

Almost surely, 2^740981603 is an apocalyptic number.

740981603 is a deficient number, since it is larger than the sum of its proper divisors (55357).

740981603 is a wasteful number, since it uses less digits than its factorization.

740981603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55356.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 740981603 is about 27220.9772601940. The cubic root of 740981603 is about 904.9039316846.

The spelling of 740981603 in words is "seven hundred forty million, nine hundred eighty-one thousand, six hundred three".