64507702342 has 32 divisors (see below), whose sum is σ = 103027507200. Its totient is φ = 30186898560.

The previous prime is 64507702319. The next prime is 64507702349. The reversal of 64507702342 is 24320770546.

It is a happy number.

64507702342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64507702342² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64507702295 and 64507702304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64507702349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5033659 + ... + 5046457.

It is an arithmetic number, because the mean of its divisors is an integer number (3219609600).

Almost surely, 2^64507702342 is an apocalyptic number.

64507702342 is a deficient number, since it is larger than the sum of its proper divisors (38519804858).

64507702342 is a wasteful number, since it uses less digits than its factorization.

64507702342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13636.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 64507702342 in words is "sixty-four billion, five hundred seven million, seven hundred two thousand, three hundred forty-two".