747679 has 2 divisors, whose sum is σ = 747680. Its totient is φ = 747678.

The previous prime is 747673. The next prime is 747713. The reversal of 747679 is 976747.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 747679 - 2⁵ = 747647 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373839 + 373840.

It is an arithmetic number, because the mean of its divisors is an integer number (373840).

2⁷⁴⁷⁶⁷⁹ is an apocalyptic number.

747679 is a deficient number, since it is larger than the sum of its proper divisors (1).

747679 is an equidigital number, since it uses as much as digits as its factorization.

747679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 747679 is about 864.6843354658. The cubic root of 747679 is about 90.7622097524.

The spelling of 747679 in words is "seven hundred forty-seven thousand, six hundred seventy-nine".