730071755 has 16 divisors (see below), whose sum is σ = 1003492800. Its totient is φ = 499494912.

The previous prime is 730071739. The next prime is 730071757. The reversal of 730071755 is 557170037.

It is not a de Polignac number, because 730071755 - 2⁴ = 730071739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (730071757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7514 + ... + 38943.

It is an arithmetic number, because the mean of its divisors is an integer number (62718300).

Almost surely, 2^730071755 is an apocalyptic number.

730071755 is a deficient number, since it is larger than the sum of its proper divisors (273421045).

730071755 is a wasteful number, since it uses less digits than its factorization.

730071755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46918.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 730071755 is about 27019.8400254332. The cubic root of 730071755 is about 900.4408354763.

The spelling of 730071755 in words is "seven hundred thirty million, seventy-one thousand, seven hundred fifty-five".