747340039 has 2 divisors, whose sum is σ = 747340040. Its totient is φ = 747340038.

The previous prime is 747340037. The next prime is 747340057. The reversal of 747340039 is 930043747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 747340039 - 2¹ = 747340037 is a prime.

Together with 747340037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747340037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373670019 + 373670020.

It is an arithmetic number, because the mean of its divisors is an integer number (373670020).

Almost surely, 2^747340039 is an apocalyptic number.

747340039 is a deficient number, since it is larger than the sum of its proper divisors (1).

747340039 is an equidigital number, since it uses as much as digits as its factorization.

747340039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 747340039 is about 27337.5207178705. The cubic root of 747340039 is about 907.4849196724.

The spelling of 747340039 in words is "seven hundred forty-seven million, three hundred forty thousand, thirty-nine".