65140752 has 40 divisors (see below), whose sum is σ = 168821536. Its totient is φ = 21643776.

The previous prime is 65140739. The next prime is 65140783. The reversal of 65140752 is 25704156.

It is a super-2 number, since 2×65140752² = 8486635142251008, which contains 22 as substring.

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, 14163 + ... + 18189.

Almost surely, 2^65140752 is an apocalyptic number.

It is an amenable number.

65140752 is an abundant number, since it is smaller than the sum of its proper divisors (103680784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65140752 is a wasteful number, since it uses less digits than its factorization.

65140752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 65140752 is about 8070.9820963746. The cubic root of 65140752 is about 402.3625846768.

The spelling of 65140752 in words is "sixty-five million, one hundred forty thousand, seven hundred fifty-two".