730704133 has 4 divisors (see below), whose sum is σ = 730766560. Its totient is φ = 730641708.

The previous prime is 730704119. The next prime is 730704137. The reversal of 730704133 is 331407037.

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, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(730704133) divides (730704133-1)³.

It is a cyclic number.

It is not a de Polignac number, because 730704133 - 2⁹ = 730703621 is a prime.

It is a deceptive number, since it divides R_730704132.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730704137) 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, 7803 + ... + 39016.

It is an arithmetic number, because the mean of its divisors is an integer number (182691640).

Almost surely, 2^730704133 is an apocalyptic number.

730704133 is the 15607-th octagonal number.

It is an amenable number.

730704133 is a deficient number, since it is larger than the sum of its proper divisors (62427).

730704133 is a wasteful number, since it uses less digits than its factorization.

730704133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62426.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 730704133 is about 27031.5395972926. The cubic root of 730704133 is about 900.7007435571.

The spelling of 730704133 in words is "seven hundred thirty million, seven hundred four thousand, one hundred thirty-three".