740745853 has 2 divisors, whose sum is σ = 740745854. Its totient is φ = 740745852.

The previous prime is 740745793. The next prime is 740745917. The reversal of 740745853 is 358547047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529828324 + 210917529 = 23018^2 + 14523^2 .

It is a cyclic number.

It is not a de Polignac number, because 740745853 - 2¹³ = 740737661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740745053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370372926 + 370372927.

It is an arithmetic number, because the mean of its divisors is an integer number (370372927).

Almost surely, 2^740745853 is an apocalyptic number.

It is an amenable number.

740745853 is a deficient number, since it is larger than the sum of its proper divisors (1).

740745853 is an equidigital number, since it uses as much as digits as its factorization.

740745853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 740745853 is about 27216.6466156285. The cubic root of 740745853 is about 904.8079537145.

The spelling of 740745853 in words is "seven hundred forty million, seven hundred forty-five thousand, eight hundred fifty-three".