730742051 has 4 divisors (see below), whose sum is σ = 786952992. Its totient is φ = 674531112.

The previous prime is 730742009. The next prime is 730742053. The reversal of 730742051 is 150247037.

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 730742051 - 2²² = 726547747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730742053) 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, 28105451 + ... + 28105476.

It is an arithmetic number, because the mean of its divisors is an integer number (196738248).

Almost surely, 2^730742051 is an apocalyptic number.

730742051 is a deficient number, since it is larger than the sum of its proper divisors (56210941).

730742051 is a wasteful number, since it uses less digits than its factorization.

730742051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56210940.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 730742051 is about 27032.2409540904. The cubic root of 730742051 is about 900.7163231323.

Adding to 730742051 its reverse (150247037), we get a palindrome (880989088).

The spelling of 730742051 in words is "seven hundred thirty million, seven hundred forty-two thousand, fifty-one".