740221003 has 2 divisors, whose sum is σ = 740221004. Its totient is φ = 740221002.

The previous prime is 740220997. The next prime is 740221033. The reversal of 740221003 is 300122047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740221003 - 2⁹ = 740220491 is a prime.

It is not a weakly prime, because it can be changed into another prime (740221033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370110501 + 370110502.

It is an arithmetic number, because the mean of its divisors is an integer number (370110502).

Almost surely, 2^740221003 is an apocalyptic number.

740221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

740221003 is an equidigital number, since it uses as much as digits as its factorization.

740221003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 740221003 is about 27207.0028301539. The cubic root of 740221003 is about 904.5942048935.

The spelling of 740221003 in words is "seven hundred forty million, two hundred twenty-one thousand, three".