730779542 has 4 divisors (see below), whose sum is σ = 1096169316. Its totient is φ = 365389770.

The previous prime is 730779503. The next prime is 730779551. The reversal of 730779542 is 245977037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245977037 = 151 ⋅1628987.

It is a junction number, because it is equal to n+sod(n) for n = 730779493 and 730779502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182694884 + ... + 182694887.

It is an arithmetic number, because the mean of its divisors is an integer number (274042329).

Almost surely, 2^730779542 is an apocalyptic number.

730779542 is a deficient number, since it is larger than the sum of its proper divisors (365389774).

730779542 is a wasteful number, since it uses less digits than its factorization.

730779542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365389773.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 730779542 is about 27032.9343949191. The cubic root of 730779542 is about 900.7317267339.

The spelling of 730779542 in words is "seven hundred thirty million, seven hundred seventy-nine thousand, five hundred forty-two".