65070722 has 16 divisors (see below), whose sum is σ = 101512440. Its totient is φ = 31245312.

The previous prime is 65070689. The next prime is 65070727. The reversal of 65070722 is 22707056.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54449641 + 10621081 = 7379^2 + 3259^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (65070727) 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, 8288 + ... + 14100.

Almost surely, 2^65070722 is an apocalyptic number.

65070722 is a deficient number, since it is larger than the sum of its proper divisors (36441718).

65070722 is a wasteful number, since it uses less digits than its factorization.

65070722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 65070722 is about 8066.6425481733. The cubic root of 65070722 is about 402.2183454491.

Adding to 65070722 its reverse (22707056), we get a palindrome (87777778).

The spelling of 65070722 in words is "sixty-five million, seventy thousand, seven hundred twenty-two".