730634672 has 20 divisors (see below), whose sum is σ = 1448527080. Its totient is φ = 356821248.

The previous prime is 730634657. The next prime is 730634677. The reversal of 730634672 is 276436037.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (730634677) 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, 530297 + ... + 531672.

It is an arithmetic number, because the mean of its divisors is an integer number (72426354).

Almost surely, 2^730634672 is an apocalyptic number.

It is an amenable number.

730634672 is a deficient number, since it is larger than the sum of its proper divisors (717892408).

730634672 is a wasteful number, since it uses less digits than its factorization.

730634672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062020 (or 1062014 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 730634672 is about 27030.2547527766. The cubic root of 730634672 is about 900.6722023395.

The spelling of 730634672 in words is "seven hundred thirty million, six hundred thirty-four thousand, six hundred seventy-two".