258772742 has 48 divisors (see below), whose sum is σ = 449336160. Its totient is φ = 111234816.

The previous prime is 258772733. The next prime is 258772757. The reversal of 258772742 is 247277852.

It is a junction number, because it is equal to n+sod(n) for n = 258772693 and 258772702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355583 + ... + 356309.

It is an arithmetic number, because the mean of its divisors is an integer number (9361170).

Almost surely, 2^258772742 is an apocalyptic number.

258772742 is a deficient number, since it is larger than the sum of its proper divisors (190563418).

258772742 is a wasteful number, since it uses less digits than its factorization.

258772742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 794 counting only the distinct ones).

The product of its digits is 439040, while the sum is 44.

The square root of 258772742 is about 16086.4148274250. The cubic root of 258772742 is about 637.2446175332.

The spelling of 258772742 in words is "two hundred fifty-eight million, seven hundred seventy-two thousand, seven hundred forty-two".