1742724 has 18 divisors (see below), whose sum is σ = 4405310. Its totient is φ = 580896.

The previous prime is 1742723. The next prime is 1742731. The reversal of 1742724 is 4272471.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 324 = 1320^2 + 18^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1742723) 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, 24169 + ... + 24240.

2^1742724 is an apocalyptic number.

It is an amenable number.

1742724 is an abundant number, since it is smaller than the sum of its proper divisors (2662586).

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

1742724 is a wasteful number, since it uses less digits than its factorization.

1742724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48419 (or 48414 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1742724 is about 1320.1227215680. The cubic root of 1742724 is about 120.3398698287.

The spelling of 1742724 in words is "one million, seven hundred forty-two thousand, seven hundred twenty-four".