742704 has 20 divisors (see below), whose sum is σ = 1918776. Its totient is φ = 247552.

The previous prime is 742699. The next prime is 742711. The reversal of 742704 is 407247.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

It is an unprimeable number.

742704 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, 7689 + ... + 7784.

2⁷⁴²⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

742704 is an abundant number, since it is smaller than the sum of its proper divisors (1176072).

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

742704 is a wasteful number, since it uses less digits than its factorization.

742704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15484 (or 15478 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 742704 is about 861.8027616572. The cubic root of 742704 is about 90.5604532851.

The spelling of 742704 in words is "seven hundred forty-two thousand, seven hundred four", and thus it is an iban number.