742627 has 4 divisors (see below), whose sum is σ = 762736. Its totient is φ = 722520.

The previous prime is 742619. The next prime is 742657. The reversal of 742627 is 726247.

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

It is a cyclic number.

It is not a de Polignac number, because 742627 - 2³ = 742619 is a prime.

It is a super-2 number, since 2×742627² = 1102989722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742595 and 742604.

It is not an unprimeable number, because it can be changed into a prime (742607) 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 3 ways as a sum of consecutive naturals, for example, 9999 + ... + 10072.

It is an arithmetic number, because the mean of its divisors is an integer number (190684).

2⁷⁴²⁶²⁷ is an apocalyptic number.

742627 is a deficient number, since it is larger than the sum of its proper divisors (20109).

742627 is a wasteful number, since it uses less digits than its factorization.

742627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20108.

The product of its digits is 4704, while the sum is 28.

The square root of 742627 is about 861.7580867042. The cubic root of 742627 is about 90.5573235520.

It can be divided in two parts, 742 and 627, that added together give a square (1369 = 37²).

The spelling of 742627 in words is "seven hundred forty-two thousand, six hundred twenty-seven".