742637 has 8 divisors (see below), whose sum is σ = 854016. Its totient is φ = 632592.

The previous prime is 742619. The next prime is 742657. The reversal of 742637 is 736247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742637 - 2⁸ = 742381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (106752).

2⁷⁴²⁶³⁷ is an apocalyptic number.

It is an amenable number.

742637 is a deficient number, since it is larger than the sum of its proper divisors (111379).

742637 is a wasteful number, since it uses less digits than its factorization.

742637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its digits is 7056, while the sum is 29.

The square root of 742637 is about 861.7638887770. The cubic root of 742637 is about 90.5577300231.

It can be divided in two parts, 74263 and 7, that multiplied together give a square (519841 = 721²).

The spelling of 742637 in words is "seven hundred forty-two thousand, six hundred thirty-seven".