674762653 has 2 divisors, whose sum is σ = 674762654. Its totient is φ = 674762652.

The previous prime is 674762639. The next prime is 674762687. The reversal of 674762653 is 356267476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661672729 + 13089924 = 25723^2 + 3618^2 .

It is a cyclic number.

It is not a de Polignac number, because 674762653 - 2¹³ = 674754461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674762603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337381326 + 337381327.

It is an arithmetic number, because the mean of its divisors is an integer number (337381327).

Almost surely, 2^674762653 is an apocalyptic number.

It is an amenable number.

674762653 is a deficient number, since it is larger than the sum of its proper divisors (1).

674762653 is an equidigital number, since it uses as much as digits as its factorization.

674762653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The square root of 674762653 is about 25976.1939667843. The cubic root of 674762653 is about 877.1024935828.

The spelling of 674762653 in words is "six hundred seventy-four million, seven hundred sixty-two thousand, six hundred fifty-three".