64119642 has 32 divisors (see below), whose sum is σ = 135470400. Its totient is φ = 20176128.

The previous prime is 64119589. The next prime is 64119673. The reversal of 64119642 is 24691146.

It is a super-2 number, since 2×64119642² = 8222656980416328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37584 + ... + 39252.

It is an arithmetic number, because the mean of its divisors is an integer number (4233450).

Almost surely, 2^64119642 is an apocalyptic number.

64119642 is an abundant number, since it is smaller than the sum of its proper divisors (71350758).

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

64119642 is a wasteful number, since it uses less digits than its factorization.

64119642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its digits is 10368, while the sum is 33.

The square root of 64119642 is about 8007.4741335829. The cubic root of 64119642 is about 400.2490990087.

The spelling of 64119642 in words is "sixty-four million, one hundred nineteen thousand, six hundred forty-two".