742481 has 8 divisors (see below), whose sum is σ = 785664. Its totient is φ = 700560.

The previous prime is 742457. The next prime is 742499. The reversal of 742481 is 184247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742481 - 2¹⁰ = 741457 is a prime.

It is a super-2 number, since 2×742481² = 1102556070722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742481.

It is not an unprimeable number, because it can be changed into a prime (742381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (98208).

2⁷⁴²⁴⁸¹ is an apocalyptic number.

It is an amenable number.

742481 is a deficient number, since it is larger than the sum of its proper divisors (43183).

742481 is a wasteful number, since it uses less digits than its factorization.

742481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 1792, while the sum is 26.

The square root of 742481 is about 861.6733719920. The cubic root of 742481 is about 90.5513886588.

The spelling of 742481 in words is "seven hundred forty-two thousand, four hundred eighty-one".