742501 has 4 divisors (see below), whose sum is σ = 781600. Its totient is φ = 703404.

The previous prime is 742499. The next prime is 742507. The reversal of 742501 is 105247.

742501 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 a cyclic number.

It is not a de Polignac number, because 742501 - 2¹ = 742499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 39079 = 742501 / (7 + 4 + 2 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742507) 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, 19521 + ... + 19558.

It is an arithmetic number, because the mean of its divisors is an integer number (195400).

2⁷⁴²⁵⁰¹ is an apocalyptic number.

It is an amenable number.

742501 is a deficient number, since it is larger than the sum of its proper divisors (39099).

742501 is a wasteful number, since it uses less digits than its factorization.

742501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39098.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 742501 is about 861.6849772394. The cubic root of 742501 is about 90.5522017039.

Adding to 742501 its reverse (105247), we get a palindrome (847748).

The spelling of 742501 in words is "seven hundred forty-two thousand, five hundred one".