746041421 has 2 divisors, whose sum is σ = 746041422. Its totient is φ = 746041420.

The previous prime is 746041411. The next prime is 746041451. The reversal of 746041421 is 124140647.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744744100 + 1297321 = 27290^2 + 1139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746041421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746041411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373020710 + 373020711.

It is an arithmetic number, because the mean of its divisors is an integer number (373020711).

Almost surely, 2^746041421 is an apocalyptic number.

It is an amenable number.

746041421 is a deficient number, since it is larger than the sum of its proper divisors (1).

746041421 is an equidigital number, since it uses as much as digits as its factorization.

746041421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 746041421 is about 27313.7588222493. The cubic root of 746041421 is about 906.9589834881.

The spelling of 746041421 in words is "seven hundred forty-six million, forty-one thousand, four hundred twenty-one".