738473647 has 2 divisors, whose sum is σ = 738473648. Its totient is φ = 738473646.

The previous prime is 738473633. The next prime is 738473653. The reversal of 738473647 is 746374837.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738473647 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 738473647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738473657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369236823 + 369236824.

It is an arithmetic number, because the mean of its divisors is an integer number (369236824).

Almost surely, 2^738473647 is an apocalyptic number.

738473647 is a deficient number, since it is larger than the sum of its proper divisors (1).

738473647 is an equidigital number, since it uses as much as digits as its factorization.

738473647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 49.

The square root of 738473647 is about 27174.8716096323. The cubic root of 738473647 is about 903.8818530008.

The spelling of 738473647 in words is "seven hundred thirty-eight million, four hundred seventy-three thousand, six hundred forty-seven".