730149537 has 32 divisors (see below), whose sum is σ = 1108598400. Its totient is φ = 423747072.

The previous prime is 730149529. The next prime is 730149547. The reversal of 730149537 is 735941037.

It is a happy number.

It is not a de Polignac number, because 730149537 - 2³ = 730149529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 730149495 and 730149504.

It is not an unprimeable number, because it can be changed into a prime (730149547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170539 + ... + 174767.

It is an arithmetic number, because the mean of its divisors is an integer number (34643700).

Almost surely, 2^730149537 is an apocalyptic number.

It is an amenable number.

730149537 is a deficient number, since it is larger than the sum of its proper divisors (378448863).

730149537 is a wasteful number, since it uses less digits than its factorization.

730149537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 730149537 is about 27021.2793368486. The cubic root of 730149537 is about 900.4728120601.

The spelling of 730149537 in words is "seven hundred thirty million, one hundred forty-nine thousand, five hundred thirty-seven".