742974671 has 2 divisors, whose sum is σ = 742974672. Its totient is φ = 742974670.

The previous prime is 742974649. The next prime is 742974679. The reversal of 742974671 is 176479247.

It is a happy number.

742974671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742974671 - 2⁶ = 742974607 is a prime.

It is a super-2 number, since 2×742974671² = 1104022723495116482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742974679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371487335 + 371487336.

It is an arithmetic number, because the mean of its divisors is an integer number (371487336).

Almost surely, 2^742974671 is an apocalyptic number.

742974671 is a deficient number, since it is larger than the sum of its proper divisors (1).

742974671 is an equidigital number, since it uses as much as digits as its factorization.

742974671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 742974671 is about 27257.5617214746. The cubic root of 742974671 is about 905.7145323096.

The spelling of 742974671 in words is "seven hundred forty-two million, nine hundred seventy-four thousand, six hundred seventy-one".