740506545 has 24 divisors (see below), whose sum is σ = 1285030656. Its totient is φ = 394479648.

The previous prime is 740506541. The next prime is 740506549. The reversal of 740506545 is 545605047.

It is a happy number.

740506545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (740506541) and next prime (740506549).

It is not a de Polignac number, because 740506545 - 2² = 740506541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740506541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31744 + ... + 49886.

It is an arithmetic number, because the mean of its divisors is an integer number (53542944).

Almost surely, 2^740506545 is an apocalyptic number.

It is an amenable number.

740506545 is a deficient number, since it is larger than the sum of its proper divisors (544524111).

740506545 is a wasteful number, since it uses less digits than its factorization.

740506545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061 (or 19058 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 740506545 is about 27212.2499069812. The cubic root of 740506545 is about 904.7105063905.

The spelling of 740506545 in words is "seven hundred forty million, five hundred six thousand, five hundred forty-five".