738457 has 2 divisors, whose sum is σ = 738458. Its totient is φ = 738456.

The previous prime is 738443. The next prime is 738469. The reversal of 738457 is 754837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 737881 + 576 = 859^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 738457 - 2¹¹ = 736409 is a prime.

It is a super-3 number, since 3×738457³ = 1208083324233389979, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (738487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369228 + 369229.

It is an arithmetic number, because the mean of its divisors is an integer number (369229).

2⁷³⁸⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

738457 is a deficient number, since it is larger than the sum of its proper divisors (1).

738457 is an equidigital number, since it uses as much as digits as its factorization.

738457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 738457 is about 859.3352081697. The cubic root of 738457 is about 90.3875061048.

The spelling of 738457 in words is "seven hundred thirty-eight thousand, four hundred fifty-seven".