740498115573 has 6 divisors (see below), whose sum is σ = 1069608389174. Its totient is φ = 493665410376.

The previous prime is 740498115481. The next prime is 740498115583. The reversal of 740498115573 is 375511894047.

740498115573 is a `hidden beast` number, since 7 + 4 + 0 + 4 + 9 + 81 + 1 + 557 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 671085363204 + 69412752369 = 819198^2 + 263463^2 .

It is not a de Polignac number, because 740498115573 - 2⁹ = 740498115061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740498115583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41138784190 + ... + 41138784207.

Almost surely, 2^740498115573 is an apocalyptic number.

It is an amenable number.

740498115573 is a deficient number, since it is larger than the sum of its proper divisors (329110273601).

740498115573 is a wasteful number, since it uses less digits than its factorization.

740498115573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82277568403 (or 82277568400 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 740498115573 in words is "seven hundred forty billion, four hundred ninety-eight million, one hundred fifteen thousand, five hundred seventy-three".