671050747 has 2 divisors, whose sum is σ = 671050748. Its totient is φ = 671050746.

The previous prime is 671050697. The next prime is 671050781. The reversal of 671050747 is 747050176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671050747 - 2²⁷ = 536833019 is a prime.

It is not a weakly prime, because it can be changed into another prime (671050147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335525373 + 335525374.

It is an arithmetic number, because the mean of its divisors is an integer number (335525374).

Almost surely, 2^671050747 is an apocalyptic number.

671050747 is a deficient number, since it is larger than the sum of its proper divisors (1).

671050747 is an equidigital number, since it uses as much as digits as its factorization.

671050747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 671050747 is about 25904.6472085609. The cubic root of 671050747 is about 875.4912058832.

The spelling of 671050747 in words is "six hundred seventy-one million, fifty thousand, seven hundred forty-seven".