64824072 has 32 divisors (see below), whose sum is σ = 162259200. Its totient is φ = 21581504.

The previous prime is 64824061. The next prime is 64824103. The reversal of 64824072 is 27042846.

It is a super-2 number, since 2×64824072² = 8404320621322368, 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, 33598 + ... + 35474.

It is an arithmetic number, because the mean of its divisors is an integer number (5070600).

Almost surely, 2^64824072 is an apocalyptic number.

It is an amenable number.

64824072 is an abundant number, since it is smaller than the sum of its proper divisors (97435128).

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

64824072 is a wasteful number, since it uses less digits than its factorization.

64824072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 64824072 is about 8051.3397642877. The cubic root of 64824072 is about 401.7095002807.

The spelling of 64824072 in words is "sixty-four million, eight hundred twenty-four thousand, seventy-two".