738120431 has 2 divisors, whose sum is σ = 738120432. Its totient is φ = 738120430.

The previous prime is 738120391. The next prime is 738120443. The reversal of 738120431 is 134021837.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738120431 is a prime.

It is a super-2 number, since 2×738120431² = 1089643541319251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 738120394 and 738120403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738120491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369060215 + 369060216.

It is an arithmetic number, because the mean of its divisors is an integer number (369060216).

Almost surely, 2^738120431 is an apocalyptic number.

738120431 is a deficient number, since it is larger than the sum of its proper divisors (1).

738120431 is an equidigital number, since it uses as much as digits as its factorization.

738120431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 738120431 is about 27168.3718871779. The cubic root of 738120431 is about 903.7377194673.

The spelling of 738120431 in words is "seven hundred thirty-eight million, one hundred twenty thousand, four hundred thirty-one".