747080731 has 2 divisors, whose sum is σ = 747080732. Its totient is φ = 747080730.

The previous prime is 747080713. The next prime is 747080767. The reversal of 747080731 is 137080747.

Together with previous prime (747080713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 747080731 - 2⁵ = 747080699 is a prime.

It is a super-2 number, since 2×747080731² = 1116259237262988722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (747080701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373540365 + 373540366.

It is an arithmetic number, because the mean of its divisors is an integer number (373540366).

Almost surely, 2^747080731 is an apocalyptic number.

747080731 is a deficient number, since it is larger than the sum of its proper divisors (1).

747080731 is an equidigital number, since it uses as much as digits as its factorization.

747080731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 747080731 is about 27332.7775939439. Note that the first 3 decimals coincide. The cubic root of 747080731 is about 907.3799494630.

The spelling of 747080731 in words is "seven hundred forty-seven million, eighty thousand, seven hundred thirty-one".