65772050 has 12 divisors (see below), whose sum is σ = 122336106. Its totient is φ = 26308800.

The previous prime is 65772043. The next prime is 65772061. The reversal of 65772050 is 5027756.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 38700841 + 27071209 = 6221^2 + 5203^2 .

It is a super-2 number, since 2×65772050² = 8651925122405000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65771998 and 65772016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 657671 + ... + 657770.

Almost surely, 2^65772050 is an apocalyptic number.

65772050 is a deficient number, since it is larger than the sum of its proper divisors (56564056).

65772050 is a wasteful number, since it uses less digits than its factorization.

65772050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315453 (or 1315448 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 65772050 is about 8109.9969173854. The cubic root of 65772050 is about 403.6582125439.

The spelling of 65772050 in words is "sixty-five million, seven hundred seventy-two thousand, fifty".