738999997 has 2 divisors, whose sum is σ = 738999998. Its totient is φ = 738999996.

The previous prime is 738999977. The next prime is 739000007. The reversal of 738999997 is 799999837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561737401 + 177262596 = 23701^2 + 13314^2 .

It is a cyclic number.

It is not a de Polignac number, because 738999997 - 2¹¹ = 738997949 is a prime.

It is a super-2 number, since 2×738999997² = 1092241991132000018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738999967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369499998 + 369499999.

It is an arithmetic number, because the mean of its divisors is an integer number (369499999).

Almost surely, 2^738999997 is an apocalyptic number.

It is an amenable number.

738999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

738999997 is an equidigital number, since it uses as much as digits as its factorization.

738999997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69441624, while the sum is 70.

The square root of 738999997 is about 27184.5543829580. The cubic root of 738999997 is about 904.0965504501.

The spelling of 738999997 in words is "seven hundred thirty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-seven".