740546857 has 2 divisors, whose sum is σ = 740546858. Its totient is φ = 740546856.

The previous prime is 740546803. The next prime is 740546887. The reversal of 740546857 is 758645047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658897561 + 81649296 = 25669^2 + 9036^2 .

It is a cyclic number.

It is not a de Polignac number, because 740546857 - 2¹¹ = 740544809 is a prime.

It is not a weakly prime, because it can be changed into another prime (740546887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370273428 + 370273429.

It is an arithmetic number, because the mean of its divisors is an integer number (370273429).

Almost surely, 2^740546857 is an apocalyptic number.

It is an amenable number.

740546857 is a deficient number, since it is larger than the sum of its proper divisors (1).

740546857 is an equidigital number, since it uses as much as digits as its factorization.

740546857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 740546857 is about 27212.9905927298. The cubic root of 740546857 is about 904.7269230936.

The spelling of 740546857 in words is "seven hundred forty million, five hundred forty-six thousand, eight hundred fifty-seven".