674066742 has 16 divisors (see below), whose sum is σ = 1348401600. Its totient is φ = 224644232.

The previous prime is 674066737. The next prime is 674066747. The reversal of 674066742 is 247660476.

It is an interprime number because it is at equal distance from previous prime (674066737) and next prime (674066747).

It is a junction number, because it is equal to n+sod(n) for n = 674066694 and 674066703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674066747) 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, 38509 + ... + 53207.

It is an arithmetic number, because the mean of its divisors is an integer number (84275100).

Almost surely, 2^674066742 is an apocalyptic number.

674066742 is an abundant number, since it is smaller than the sum of its proper divisors (674334858).

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

674066742 is a wasteful number, since it uses less digits than its factorization.

674066742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22347.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 674066742 is about 25962.7953425666. The cubic root of 674066742 is about 876.8008590106.

The spelling of 674066742 in words is "six hundred seventy-four million, sixty-six thousand, seven hundred forty-two".