730040037 has 4 divisors (see below), whose sum is σ = 973386720. Its totient is φ = 486693356.

The previous prime is 730040023. The next prime is 730040053.

730040037 is nontrivially palindromic in base 10.

730040037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730040037 - 2¹¹ = 730037989 is a prime.

It is a super-2 number, since 2×730040037² = 1065916911245922738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 730039989 and 730040016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730040837) 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, 121673337 + ... + 121673342.

It is an arithmetic number, because the mean of its divisors is an integer number (243346680).

Almost surely, 2^730040037 is an apocalyptic number.

It is an amenable number.

730040037 is a deficient number, since it is larger than the sum of its proper divisors (243346683).

730040037 is a wasteful number, since it uses less digits than its factorization.

730040037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243346682.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 730040037 is about 27019.2530799798. The cubic root of 730040037 is about 900.4277953900.

The spelling of 730040037 in words is "seven hundred thirty million, forty thousand, thirty-seven".