742449674 has 16 divisors (see below), whose sum is σ = 1126104768. Its totient is φ = 367094112.

The previous prime is 742449671. The next prime is 742449707. The reversal of 742449674 is 476944247.

It is not an unprimeable number, because it can be changed into a prime (742449671) 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, 129227 + ... + 134849.

It is an arithmetic number, because the mean of its divisors is an integer number (70381548).

Almost surely, 2^742449674 is an apocalyptic number.

742449674 is a deficient number, since it is larger than the sum of its proper divisors (383655094).

742449674 is a wasteful number, since it uses less digits than its factorization.

742449674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349.

The product of its digits is 1354752, while the sum is 47.

The square root of 742449674 is about 27247.9297195218. The cubic root of 742449674 is about 905.5011515701.

The spelling of 742449674 in words is "seven hundred forty-two million, four hundred forty-nine thousand, six hundred seventy-four".