742517501 has 4 divisors (see below), whose sum is σ = 810019104. Its totient is φ = 675015900.

The previous prime is 742517467. The next prime is 742517543. The reversal of 742517501 is 105715247.

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 a cyclic number.

It is not a de Polignac number, because 742517501 - 2¹⁰ = 742516477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742517101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33750785 + ... + 33750806.

It is an arithmetic number, because the mean of its divisors is an integer number (202504776).

Almost surely, 2^742517501 is an apocalyptic number.

It is an amenable number.

742517501 is a deficient number, since it is larger than the sum of its proper divisors (67501603).

742517501 is a wasteful number, since it uses less digits than its factorization.

742517501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67501602.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 742517501 is about 27249.1743177660. The cubic root of 742517501 is about 905.5287249570.

The spelling of 742517501 in words is "seven hundred forty-two million, five hundred seventeen thousand, five hundred one".