745540727 has 2 divisors, whose sum is σ = 745540728. Its totient is φ = 745540726.

The previous prime is 745540687. The next prime is 745540799. The reversal of 745540727 is 727045547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745540727 - 2¹⁶ = 745475191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745540027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372770363 + 372770364.

It is an arithmetic number, because the mean of its divisors is an integer number (372770364).

Almost surely, 2^745540727 is an apocalyptic number.

745540727 is a deficient number, since it is larger than the sum of its proper divisors (1).

745540727 is an equidigital number, since it uses as much as digits as its factorization.

745540727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 745540727 is about 27304.5916834513. The cubic root of 745540727 is about 906.7560409812.

The spelling of 745540727 in words is "seven hundred forty-five million, five hundred forty thousand, seven hundred twenty-seven".