675404731 has 2 divisors, whose sum is σ = 675404732. Its totient is φ = 675404730.

The previous prime is 675404699. The next prime is 675404791. The reversal of 675404731 is 137404576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675404731 - 2⁵ = 675404699 is a prime.

It is a super-2 number, since 2×675404731² = 912343101314364722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (675404791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337702365 + 337702366.

It is an arithmetic number, because the mean of its divisors is an integer number (337702366).

Almost surely, 2^675404731 is an apocalyptic number.

675404731 is a deficient number, since it is larger than the sum of its proper divisors (1).

675404731 is an equidigital number, since it uses as much as digits as its factorization.

675404731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 675404731 is about 25988.5499980280. The cubic root of 675404731 is about 877.3806109707.

The spelling of 675404731 in words is "six hundred seventy-five million, four hundred four thousand, seven hundred thirty-one".