742574 has 32 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 292320.

The previous prime is 742559. The next prime is 742579. The reversal of 742574 is 475247.

742574 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×742574² = 1102832290952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12557 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁷⁴²⁵⁷⁴ is an apocalyptic number.

742574 is a deficient number, since it is larger than the sum of its proper divisors (639826).

742574 is a wasteful number, since it uses less digits than its factorization.

742574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128.

The product of its digits is 7840, while the sum is 29.

The square root of 742574 is about 861.7273350660. The cubic root of 742574 is about 90.5551691944. Note that the first 3 decimals are identical.

The spelling of 742574 in words is "seven hundred forty-two thousand, five hundred seventy-four".