730657051 has 4 divisors (see below), whose sum is σ = 739460232. Its totient is φ = 721853872.

The previous prime is 730657049. The next prime is 730657087. The reversal of 730657051 is 150756037.

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

It is a cyclic number.

It is not a de Polignac number, because 730657051 - 2¹ = 730657049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730656998 and 730657016.

It is not an unprimeable number, because it can be changed into a prime (730607051) 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, 4401466 + ... + 4401631.

It is an arithmetic number, because the mean of its divisors is an integer number (184865058).

Almost surely, 2^730657051 is an apocalyptic number.

730657051 is a deficient number, since it is larger than the sum of its proper divisors (8803181).

730657051 is an equidigital number, since it uses as much as digits as its factorization.

730657051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803180.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 730657051 is about 27030.6687116690. The cubic root of 730657051 is about 900.6813979691.

The spelling of 730657051 in words is "seven hundred thirty million, six hundred fifty-seven thousand, fifty-one".