740667947 has 2 divisors, whose sum is σ = 740667948. Its totient is φ = 740667946.

The previous prime is 740667929. The next prime is 740667973. The reversal of 740667947 is 749766047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740667947 - 2⁸ = 740667691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 740667895 and 740667904.

It is not a weakly prime, because it can be changed into another prime (740667547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370333973 + 370333974.

It is an arithmetic number, because the mean of its divisors is an integer number (370333974).

Almost surely, 2^740667947 is an apocalyptic number.

740667947 is a deficient number, since it is larger than the sum of its proper divisors (1).

740667947 is an equidigital number, since it uses as much as digits as its factorization.

740667947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 740667947 is about 27215.2153583248. The cubic root of 740667947 is about 904.7762323355.

The spelling of 740667947 in words is "seven hundred forty million, six hundred sixty-seven thousand, nine hundred forty-seven".