65772148 has 24 divisors (see below), whose sum is σ = 130481120. Its totient is φ = 28758240.

The previous prime is 65772131. The next prime is 65772149. The reversal of 65772148 is 84127756.

It is a self number, because there is not a number n which added to its sum of digits gives 65772148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65772149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32298 + ... + 34273.

Almost surely, 2^65772148 is an apocalyptic number.

It is an amenable number.

65772148 is a deficient number, since it is larger than the sum of its proper divisors (64708972).

65772148 is a wasteful number, since it uses less digits than its factorization.

65772148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66607 (or 66605 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 65772148 is about 8110.0029593090. The cubic root of 65772148 is about 403.6584130267.

The spelling of 65772148 in words is "sixty-five million, seven hundred seventy-two thousand, one hundred forty-eight".