64618962 has 16 divisors (see below), whose sum is σ = 136040160. Its totient is φ = 20405952.

The previous prime is 64618951. The next prime is 64618979. The reversal of 64618962 is 26981646.

It is a super-2 number, since 2×64618962² = 8351220499914888, 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, 283303 + ... + 283530.

It is an arithmetic number, because the mean of its divisors is an integer number (8502510).

Almost surely, 2^64618962 is an apocalyptic number.

64618962 is an abundant number, since it is smaller than the sum of its proper divisors (71421198).

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

64618962 is a wasteful number, since it uses less digits than its factorization.

64618962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566857.

The product of its digits is 124416, while the sum is 42.

The square root of 64618962 is about 8038.5920408987. The cubic root of 64618962 is about 401.2853693068.

The spelling of 64618962 in words is "sixty-four million, six hundred eighteen thousand, nine hundred sixty-two".