65450572 has 24 divisors (see below), whose sum is σ = 125379072. Its totient is φ = 29648400.

The previous prime is 65450551. The next prime is 65450591. The reversal of 65450572 is 27505456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11293 + ... + 16075.

It is an arithmetic number, because the mean of its divisors is an integer number (5224128).

Almost surely, 2^65450572 is an apocalyptic number.

It is an amenable number.

65450572 is a deficient number, since it is larger than the sum of its proper divisors (59928500).

65450572 is a wasteful number, since it uses less digits than its factorization.

65450572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109 (or 5107 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 65450572 is about 8090.1527797687. The cubic root of 65450572 is about 402.9994766293. Note that the first 3 decimals are identical.

Subtracting from 65450572 its reverse (27505456), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 65450572 in words is "sixty-five million, four hundred fifty thousand, five hundred seventy-two".