742024 has 8 divisors (see below), whose sum is σ = 1391310. Its totient is φ = 371008.

The previous prime is 742009. The next prime is 742031. The reversal of 742024 is 420247.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 72900 = 818^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 741992 and 742010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46369 + ... + 46384.

2⁷⁴²⁰²⁴ is an apocalyptic number.

It is an amenable number.

742024 is a deficient number, since it is larger than the sum of its proper divisors (649286).

742024 is a wasteful number, since it uses less digits than its factorization.

742024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92759 (or 92755 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 742024 is about 861.4081494855. The cubic root of 742024 is about 90.5328065996.

The spelling of 742024 in words is "seven hundred forty-two thousand, twenty-four", and thus it is an iban number.