742658 has 8 divisors (see below), whose sum is σ = 1273152. Its totient is φ = 318276.

The previous prime is 742657. The next prime is 742663. The reversal of 742658 is 856247.

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

It is a d-powerful number, because it can be written as 7⁴ + 4⁶ + 6⁷ + 2¹⁶ + 5⁸ + 8² .

It is not an unprimeable number, because it can be changed into a prime (742657) 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, 26510 + ... + 26537.

It is an arithmetic number, because the mean of its divisors is an integer number (159144).

2⁷⁴²⁶⁵⁸ is an apocalyptic number.

742658 is a deficient number, since it is larger than the sum of its proper divisors (530494).

742658 is a wasteful number, since it uses less digits than its factorization.

742658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53056.

The product of its digits is 13440, while the sum is 32.

The square root of 742658 is about 861.7760730027. The cubic root of 742658 is about 90.5585836004.

The spelling of 742658 in words is "seven hundred forty-two thousand, six hundred fifty-eight".