732397 has 4 divisors (see below), whose sum is σ = 734140. Its totient is φ = 730656.

The previous prime is 732373. The next prime is 732439. The reversal of 732397 is 793237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 434281 + 298116 = 659^2 + 546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-732397 is a prime.

It is a Duffinian number.

732397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (183535).

2⁷³²³⁹⁷ is an apocalyptic number.

It is an amenable number.

732397 is a deficient number, since it is larger than the sum of its proper divisors (1743).

732397 is a wasteful number, since it uses less digits than its factorization.

732397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 7938, while the sum is 31.

The square root of 732397 is about 855.8019630732. The cubic root of 732397 is about 90.1395776610.

The spelling of 732397 in words is "seven hundred thirty-two thousand, three hundred ninety-seven".