742604513 has 4 divisors (see below), whose sum is σ = 848690880. Its totient is φ = 636518148.

The previous prime is 742604509. The next prime is 742604521. The reversal of 742604513 is 315406247.

742604513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 742604513 - 2² = 742604509 is a prime.

It is a super-2 number, since 2×742604513² = 1102922925455934338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742604513.

It is not an unprimeable number, because it can be changed into a prime (742604573) 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, 53043173 + ... + 53043186.

It is an arithmetic number, because the mean of its divisors is an integer number (212172720).

Almost surely, 2^742604513 is an apocalyptic number.

It is an amenable number.

742604513 is a deficient number, since it is larger than the sum of its proper divisors (106086367).

742604513 is a wasteful number, since it uses less digits than its factorization.

742604513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106086366.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 742604513 is about 27250.7708698305. The cubic root of 742604513 is about 905.5640950719.

The spelling of 742604513 in words is "seven hundred forty-two million, six hundred four thousand, five hundred thirteen".