65761942 has 4 divisors (see below), whose sum is σ = 98642916. Its totient is φ = 32880970.

The previous prime is 65761903. The next prime is 65761951. The reversal of 65761942 is 24916756.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×65761942² = 8649266031222728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 65761895 and 65761904.

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, 16440484 + ... + 16440487.

It is an arithmetic number, because the mean of its divisors is an integer number (24660729).

Almost surely, 2^65761942 is an apocalyptic number.

65761942 is a deficient number, since it is larger than the sum of its proper divisors (32880974).

65761942 is a wasteful number, since it uses less digits than its factorization.

65761942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32880973.

The product of its digits is 90720, while the sum is 40.

The square root of 65761942 is about 8109.3737119459. The cubic root of 65761942 is about 403.6375331102.

The spelling of 65761942 in words is "sixty-five million, seven hundred sixty-one thousand, nine hundred forty-two".