674820153 has 20 divisors (see below), whose sum is σ = 1152074880. Its totient is φ = 385611192.

The previous prime is 674820127. The next prime is 674820187. The reversal of 674820153 is 351028476.

It is not a de Polignac number, because 674820153 - 2⁸ = 674819897 is a prime.

It is a super-3 number, since 3×674820153³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674820193) 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 19 ways as a sum of consecutive naturals, for example, 594513 + ... + 595646.

It is an arithmetic number, because the mean of its divisors is an integer number (57603744).

Almost surely, 2^674820153 is an apocalyptic number.

674820153 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

674820153 is a deficient number, since it is larger than the sum of its proper divisors (477254727).

674820153 is a wasteful number, since it uses less digits than its factorization.

674820153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190178 (or 1190169 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 674820153 is about 25977.3007258260. The cubic root of 674820153 is about 877.1274070150.

The spelling of 674820153 in words is "six hundred seventy-four million, eight hundred twenty thousand, one hundred fifty-three".