674711537 has 2 divisors, whose sum is σ = 674711538. Its totient is φ = 674711536.

The previous prime is 674711519. The next prime is 674711549. The reversal of 674711537 is 735117476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 578691136 + 96020401 = 24056^2 + 9799^2 .

It is a cyclic number.

It is not a de Polignac number, because 674711537 - 2⁶ = 674711473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674711494 and 674711503.

It is not a weakly prime, because it can be changed into another prime (674710537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337355768 + 337355769.

It is an arithmetic number, because the mean of its divisors is an integer number (337355769).

Almost surely, 2^674711537 is an apocalyptic number.

It is an amenable number.

674711537 is a deficient number, since it is larger than the sum of its proper divisors (1).

674711537 is an equidigital number, since it uses as much as digits as its factorization.

674711537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 674711537 is about 25975.2100472739. The cubic root of 674711537 is about 877.0803450030.

The spelling of 674711537 in words is "six hundred seventy-four million, seven hundred eleven thousand, five hundred thirty-seven".