746520739 has 2 divisors, whose sum is σ = 746520740. Its totient is φ = 746520738.

The previous prime is 746520727. The next prime is 746520763. The reversal of 746520739 is 937025647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 746520739 - 2¹⁵ = 746487971 is a prime.

It is a super-2 number, since 2×746520739² = 1114586427514212242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 746520695 and 746520704.

It is not a weakly prime, because it can be changed into another prime (746520139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373260369 + 373260370.

It is an arithmetic number, because the mean of its divisors is an integer number (373260370).

Almost surely, 2^746520739 is an apocalyptic number.

746520739 is a deficient number, since it is larger than the sum of its proper divisors (1).

746520739 is an equidigital number, since it uses as much as digits as its factorization.

746520739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 746520739 is about 27322.5317091956. The cubic root of 746520739 is about 907.1531767713.

The spelling of 746520739 in words is "seven hundred forty-six million, five hundred twenty thousand, seven hundred thirty-nine".