674235390 has 32 divisors (see below), whose sum is σ = 1620425376. Its totient is φ = 179544960.

The previous prime is 674235389. The next prime is 674235391. The reversal of 674235390 is 93532476.

It is an interprime number because it is at equal distance from previous prime (674235389) and next prime (674235391).

It is a super-2 number, since 2×674235390² = 909186722256904200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674235391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660 + ... + 37320.

It is an arithmetic number, because the mean of its divisors is an integer number (50638293).

Almost surely, 2^674235390 is an apocalyptic number.

674235390 is an abundant number, since it is smaller than the sum of its proper divisors (946189986).

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

674235390 is a wasteful number, since it uses less digits than its factorization.

674235390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31404.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 674235390 is about 25966.0430177569. The cubic root of 674235390 is about 876.8739765877.

The spelling of 674235390 in words is "six hundred seventy-four million, two hundred thirty-five thousand, three hundred ninety".