730099858 has 4 divisors (see below), whose sum is σ = 1095149790. Its totient is φ = 365049928.

The previous prime is 730099849. The next prime is 730099859. The reversal of 730099858 is 858990037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858990037 = 25913 ⋅33149.

It can be written as a sum of positive squares in only one way, i.e., 644296689 + 85803169 = 25383^2 + 9263^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (730099859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182524963 + ... + 182524966.

Almost surely, 2^730099858 is an apocalyptic number.

730099858 is a deficient number, since it is larger than the sum of its proper divisors (365049932).

730099858 is a wasteful number, since it uses less digits than its factorization.

730099858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365049931.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 730099858 is about 27020.3600642182. The cubic root of 730099858 is about 900.4523890274.

The spelling of 730099858 in words is "seven hundred thirty million, ninety-nine thousand, eight hundred fifty-eight".