730158642 has 24 divisors (see below), whose sum is σ = 1589113344. Its totient is φ = 242293464.

The previous prime is 730158587. The next prime is 730158643. The reversal of 730158642 is 246851037.

730158642 is a `hidden beast` number, since 7 + 3 + 0 + 1 + 5 + 8 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 730158597 and 730158606.

It is not an unprimeable number, because it can be changed into a prime (730158643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86938 + ... + 94965.

It is an arithmetic number, because the mean of its divisors is an integer number (66213056).

Almost surely, 2^730158642 is an apocalyptic number.

730158642 is an abundant number, since it is smaller than the sum of its proper divisors (858954702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730158642 is a wasteful number, since it uses less digits than its factorization.

730158642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182134 (or 182131 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 730158642 is about 27021.4478146527. The cubic root of 730158642 is about 900.4765550243.

The spelling of 730158642 in words is "seven hundred thirty million, one hundred fifty-eight thousand, six hundred forty-two".