742437 has 6 divisors (see below), whose sum is σ = 1072422. Its totient is φ = 494952.

The previous prime is 742409. The next prime is 742439. The reversal of 742437 is 734247.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 314721 = 654^2 + 561^2 .

It is not a de Polignac number, because 742437 - 2¹⁰ = 741413 is a prime.

742437 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 742437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41238 + ... + 41255.

It is an arithmetic number, because the mean of its divisors is an integer number (178737).

2⁷⁴²⁴³⁷ is an apocalyptic number.

It is an amenable number.

742437 is a deficient number, since it is larger than the sum of its proper divisors (329985).

742437 is a wasteful number, since it uses less digits than its factorization.

742437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82499 (or 82496 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 742437 is about 861.6478398975. The cubic root of 742437 is about 90.5495999083.

The spelling of 742437 in words is "seven hundred forty-two thousand, four hundred thirty-seven".