742373 has 4 divisors (see below), whose sum is σ = 786060. Its totient is φ = 698688.

The previous prime is 742369. The next prime is 742381. The reversal of 742373 is 373247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 452929 + 289444 = 673^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 742373 - 2² = 742369 is a prime.

It is a super-2 number, since 2×742373² = 1102235342258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21818 + ... + 21851.

It is an arithmetic number, because the mean of its divisors is an integer number (196515).

2⁷⁴²³⁷³ is an apocalyptic number.

It is an amenable number.

742373 is a deficient number, since it is larger than the sum of its proper divisors (43687).

742373 is a wasteful number, since it uses less digits than its factorization.

742373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43686.

The product of its digits is 3528, while the sum is 26.

The square root of 742373 is about 861.6107009549. The cubic root of 742373 is about 90.5469979632.

The spelling of 742373 in words is "seven hundred forty-two thousand, three hundred seventy-three", and thus it is an iban number.