730001951 has 6 divisors (see below), whose sum is σ = 849186000. Its totient is φ = 625715916.

The previous prime is 730001939. The next prime is 730001953. The reversal of 730001951 is 159100037.

It is a de Polignac number, because none of the positive numbers 2^k-730001951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730001951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730001953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7448951 + ... + 7449048.

It is an arithmetic number, because the mean of its divisors is an integer number (141531000).

Almost surely, 2^730001951 is an apocalyptic number.

730001951 is a deficient number, since it is larger than the sum of its proper divisors (119184049).

730001951 is a wasteful number, since it uses less digits than its factorization.

730001951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898013 (or 14898006 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 730001951 is about 27018.5482770633. The cubic root of 730001951 is about 900.4121367559.

Adding to 730001951 its reverse (159100037), we get a palindrome (889101988).

The spelling of 730001951 in words is "seven hundred thirty million, one thousand, nine hundred fifty-one".