742546 has 12 divisors (see below), whose sum is σ = 1295838. Its totient is φ = 318192.

The previous prime is 742541. The next prime is 742549. The reversal of 742546 is 645247.

It can be written as a sum of positive squares in only one way, i.e., 741321 + 1225 = 861^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (742541) 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, 3691 + ... + 3886.

2⁷⁴²⁵⁴⁶ is an apocalyptic number.

742546 is a deficient number, since it is larger than the sum of its proper divisors (553292).

742546 is a wasteful number, since it uses less digits than its factorization.

742546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593 (or 7586 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 742546 is about 861.7110884746. The cubic root of 742546 is about 90.5540310019.

The spelling of 742546 in words is "seven hundred forty-two thousand, five hundred forty-six".