740015009 has 2 divisors, whose sum is σ = 740015010. Its totient is φ = 740015008.

The previous prime is 740014987. The next prime is 740015033. The reversal of 740015009 is 900510047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478384384 + 261630625 = 21872^2 + 16175^2 .

It is a cyclic number.

It is not a de Polignac number, because 740015009 - 2¹⁶ = 739949473 is a prime.

It is not a weakly prime, because it can be changed into another prime (740015099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370007504 + 370007505.

It is an arithmetic number, because the mean of its divisors is an integer number (370007505).

Almost surely, 2^740015009 is an apocalyptic number.

It is an amenable number.

740015009 is a deficient number, since it is larger than the sum of its proper divisors (1).

740015009 is an equidigital number, since it uses as much as digits as its factorization.

740015009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 740015009 is about 27203.2168869786. The cubic root of 740015009 is about 904.5102847913.

The spelling of 740015009 in words is "seven hundred forty million, fifteen thousand, nine".