742426503 has 16 divisors (see below), whose sum is σ = 1218341376. Its totient is φ = 391609440.

The previous prime is 742426459. The next prime is 742426513. The reversal of 742426503 is 305624247.

It is not a de Polignac number, because 742426503 - 2⁸ = 742426247 is a prime.

It is a super-2 number, since 2×742426503² = 1102394224713618018, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742426513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359483 + ... + 1360028.

It is an arithmetic number, because the mean of its divisors is an integer number (76146336).

Almost surely, 2^742426503 is an apocalyptic number.

742426503 is a deficient number, since it is larger than the sum of its proper divisors (475914873).

742426503 is a wasteful number, since it uses less digits than its factorization.

742426503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719534.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 742426503 is about 27247.5045279380. The cubic root of 742426503 is about 905.4917315891.

The spelling of 742426503 in words is "seven hundred forty-two million, four hundred twenty-six thousand, five hundred three".