65772704 has 12 divisors (see below), whose sum is σ = 129490074. Its totient is φ = 32886336.

The previous prime is 65772689. The next prime is 65772713. The reversal of 65772704 is 40727756.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 2729104 = 7940^2 + 1652^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027667 + ... + 1027730.

Almost surely, 2^65772704 is an apocalyptic number.

It is an amenable number.

65772704 is a deficient number, since it is larger than the sum of its proper divisors (63717370).

65772704 is a wasteful number, since it uses less digits than its factorization.

65772704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055407 (or 2055399 counting only the distinct ones).

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

The square root of 65772704 is about 8110.0372378923. The cubic root of 65772704 is about 403.6595504557.

The spelling of 65772704 in words is "sixty-five million, seven hundred seventy-two thousand, seven hundred four".