730128579478 has 8 divisors (see below), whose sum is σ = 1095220486080. Its totient is φ = 365055084120.

The previous prime is 730128579463. The next prime is 730128579493. The reversal of 730128579478 is 874975821037.

It is an interprime number because it is at equal distance from previous prime (730128579463) and next prime (730128579493).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4503238 + ... + 4662553.

It is an arithmetic number, because the mean of its divisors is an integer number (136902560760).

Almost surely, 2^730128579478 is an apocalyptic number.

730128579478 is a deficient number, since it is larger than the sum of its proper divisors (365091906602).

730128579478 is a wasteful number, since it uses less digits than its factorization.

730128579478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205622.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 730128579478 in words is "seven hundred thirty billion, one hundred twenty-eight million, five hundred seventy-nine thousand, four hundred seventy-eight".