742365503 has 16 divisors (see below), whose sum is σ = 894779136. Its totient is φ = 607559040.

The previous prime is 742365497. The next prime is 742365523. The reversal of 742365503 is 305563247.

It is not a de Polignac number, because 742365503 - 2¹⁰ = 742364479 is a prime.

It is a super-2 number, since 2×742365503² = 1102213080088886018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742365523) 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 15 ways as a sum of consecutive naturals, for example, 82001 + ... + 90602.

It is an arithmetic number, because the mean of its divisors is an integer number (55923696).

Almost surely, 2^742365503 is an apocalyptic number.

742365503 is a deficient number, since it is larger than the sum of its proper divisors (152413633).

742365503 is a wasteful number, since it uses less digits than its factorization.

742365503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172654.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 742365503 is about 27246.3851363809. The cubic root of 742365503 is about 905.4669315996.

The spelling of 742365503 in words is "seven hundred forty-two million, three hundred sixty-five thousand, five hundred three".