65392740 has 72 divisors (see below), whose sum is σ = 226699200. Its totient is φ = 14946624.

The previous prime is 65392739. The next prime is 65392741. The reversal of 65392740 is 4729356.

65392740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65392739) and next prime (65392741).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 65392695 and 65392704.

It is not an unprimeable number, because it can be changed into a prime (65392741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24690 + ... + 27209.

It is an arithmetic number, because the mean of its divisors is an integer number (3148600).

Almost surely, 2^65392740 is an apocalyptic number.

65392740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65392740 is an abundant number, since it is smaller than the sum of its proper divisors (161306460).

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

65392740 is a wasteful number, since it uses less digits than its factorization.

65392740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51921 (or 51916 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 65392740 is about 8086.5777681291. The cubic root of 65392740 is about 402.8807451304.

The spelling of 65392740 in words is "sixty-five million, three hundred ninety-two thousand, seven hundred forty".