973730 has 8 divisors (see below), whose sum is σ = 1752732. Its totient is φ = 389488.

The previous prime is 973727. The next prime is 973757. The reversal of 973730 is 37379.

It can be written as a sum of positive squares in 2 ways, for example, as 851929 + 121801 = 923^2 + 349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×973730² = 1896300225800, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 973693 and 973702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48677 + ... + 48696.

2⁹⁷³⁷³⁰ is an apocalyptic number.

973730 is a deficient number, since it is larger than the sum of its proper divisors (779002).

973730 is a wasteful number, since it uses less digits than its factorization.

973730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97380.

The product of its (nonzero) digits is 3969, while the sum is 29.

The square root of 973730 is about 986.7775838557. Note that the first 3 decimals coincide. The cubic root of 973730 is about 99.1165515047.

The spelling of 973730 in words is "nine hundred seventy-three thousand, seven hundred thirty".