742140184 has 16 divisors (see below), whose sum is σ = 1408279320. Its totient is φ = 366599040.

The previous prime is 742140181. The next prime is 742140197. The reversal of 742140184 is 481041247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742140181) 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, 558177 + ... + 559504.

Almost surely, 2^742140184 is an apocalyptic number.

It is an amenable number.

742140184 is a deficient number, since it is larger than the sum of its proper divisors (666139136).

742140184 is a wasteful number, since it uses less digits than its factorization.

742140184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117770 (or 1117766 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 742140184 is about 27242.2499804990. The cubic root of 742140184 is about 905.3753147580.

The spelling of 742140184 in words is "seven hundred forty-two million, one hundred forty thousand, one hundred eighty-four".