742660 has 24 divisors (see below), whose sum is σ = 1584576. Its totient is φ = 292320.

The previous prime is 742657. The next prime is 742663. The reversal of 742660 is 66247.

It is an interprime number because it is at equal distance from previous prime (742657) and next prime (742663).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742663) 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, 1159 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (66024).

2⁷⁴²⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

742660 is an abundant number, since it is smaller than the sum of its proper divisors (841916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742660 is a wasteful number, since it uses less digits than its factorization.

742660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 742660 is about 861.7772333962. Note that the first 3 decimals coincide. The cubic root of 742660 is about 90.5586648927.

The spelling of 742660 in words is "seven hundred forty-two thousand, six hundred sixty".