747066631 has 2 divisors, whose sum is σ = 747066632. Its totient is φ = 747066630.

The previous prime is 747066601. The next prime is 747066659. The reversal of 747066631 is 136660747.

It is a strong prime.

It is an emirp because it is prime and its reverse (136660747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747066631 - 2¹³ = 747058439 is a prime.

It is a super-2 number, since 2×747066631² = 1116217102307380322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747066601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373533315 + 373533316.

It is an arithmetic number, because the mean of its divisors is an integer number (373533316).

Almost surely, 2^747066631 is an apocalyptic number.

747066631 is a deficient number, since it is larger than the sum of its proper divisors (1).

747066631 is an equidigital number, since it uses as much as digits as its factorization.

747066631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 747066631 is about 27332.5196606533. The cubic root of 747066631 is about 907.3742409600.

The spelling of 747066631 in words is "seven hundred forty-seven million, sixty-six thousand, six hundred thirty-one".