1032740397 has 18 divisors (see below), whose sum is σ = 1607025966. Its totient is φ = 635318640.

The previous prime is 1032740339. The next prime is 1032740399. The reversal of 1032740397 is 7930472301.

It can be written as a sum of positive squares in only one way, i.e., 714974121 + 317766276 = 26739^2 + 17826^2 .

It is not a de Polignac number, because 1032740397 - 2¹⁴ = 1032724013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032740399) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 346122 + ... + 349092.

Almost surely, 2^1032740397 is an apocalyptic number.

It is an amenable number.

1032740397 is a deficient number, since it is larger than the sum of its proper divisors (574285569).

1032740397 is an frugal number, since it uses more digits than its factorization.

1032740397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1032740397 is about 32136.2785182105. The cubic root of 1032740397 is about 1010.7964821461.

The spelling of 1032740397 in words is "one billion, thirty-two million, seven hundred forty thousand, three hundred ninety-seven".