730290197 has 8 divisors (see below), whose sum is σ = 898818816. Its totient is φ = 577811952.

The previous prime is 730290193. The next prime is 730290203. The reversal of 730290197 is 791092037.

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

It is a cyclic number.

It is not a de Polignac number, because 730290197 - 2² = 730290193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 730290197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730290193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4012493 + ... + 4012674.

It is an arithmetic number, because the mean of its divisors is an integer number (112352352).

Almost surely, 2^730290197 is an apocalyptic number.

It is an amenable number.

730290197 is a deficient number, since it is larger than the sum of its proper divisors (168528619).

730290197 is a wasteful number, since it uses less digits than its factorization.

730290197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025187.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 730290197 is about 27023.8819750235. The cubic root of 730290197 is about 900.5306323497.

The spelling of 730290197 in words is "seven hundred thirty million, two hundred ninety thousand, one hundred ninety-seven".