65770742 has 8 divisors (see below), whose sum is σ = 103848600. Its totient is φ = 31154544.

The previous prime is 65770729. The next prime is 65770763. The reversal of 65770742 is 24707756.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1730809 = 65770742 / (6 + 5 + 7 + 7 + 0 + 7 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 65770696 and 65770705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865367 + ... + 865442.

It is an arithmetic number, because the mean of its divisors is an integer number (12981075).

Almost surely, 2^65770742 is an apocalyptic number.

65770742 is a deficient number, since it is larger than the sum of its proper divisors (38077858).

65770742 is a wasteful number, since it uses less digits than its factorization.

65770742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730830.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 65770742 is about 8109.9162757701. The cubic root of 65770742 is about 403.6555366938.

The spelling of 65770742 in words is "sixty-five million, seven hundred seventy thousand, seven hundred forty-two".