746981 has 2 divisors, whose sum is σ = 746982. Its totient is φ = 746980.

The previous prime is 746969. The next prime is 746989. The reversal of 746981 is 189647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 58081 = 830^2 + 241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746981 is a prime.

It is a super-2 number, since 2×746981² = 1115961228722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373490 + 373491.

It is an arithmetic number, because the mean of its divisors is an integer number (373491).

2⁷⁴⁶⁹⁸¹ is an apocalyptic number.

It is an amenable number.

746981 is a deficient number, since it is larger than the sum of its proper divisors (1).

746981 is an equidigital number, since it uses as much as digits as its factorization.

746981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 746981 is about 864.2806257229. The cubic root of 746981 is about 90.7339570990.

The spelling of 746981 in words is "seven hundred forty-six thousand, nine hundred eighty-one".