730782651 has 4 divisors (see below), whose sum is σ = 974376872. Its totient is φ = 487188432.

The previous prime is 730782643. The next prime is 730782659. The reversal of 730782651 is 156287037.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (730782643) and next prime (730782659).

It is not a de Polignac number, because 730782651 - 2³ = 730782643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730782659) 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, 121797106 + ... + 121797111.

It is an arithmetic number, because the mean of its divisors is an integer number (243594218).

Almost surely, 2^730782651 is an apocalyptic number.

730782651 is a deficient number, since it is larger than the sum of its proper divisors (243594221).

730782651 is a wasteful number, since it uses less digits than its factorization.

730782651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243594220.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 730782651 is about 27032.9918987892. The cubic root of 730782651 is about 900.7330040781.

The spelling of 730782651 in words is "seven hundred thirty million, seven hundred eighty-two thousand, six hundred fifty-one".