742488 has 16 divisors (see below), whose sum is σ = 1856280. Its totient is φ = 247488.

The previous prime is 742457. The next prime is 742499. The reversal of 742488 is 884247.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

742488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15445 + ... + 15492.

2⁷⁴²⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

742488 is an abundant number, since it is smaller than the sum of its proper divisors (1113792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742488 is a wasteful number, since it uses less digits than its factorization.

742488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30946 (or 30942 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 742488 is about 861.6774338463. The cubic root of 742488 is about 90.5516732262.

The spelling of 742488 in words is "seven hundred forty-two thousand, four hundred eighty-eight".