64493036 has 12 divisors (see below), whose sum is σ = 119501928. Its totient is φ = 30349632.

The previous prime is 64493029. The next prime is 64493089. The reversal of 64493036 is 63039446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64492987 and 64493005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474146 + ... + 474281.

It is an arithmetic number, because the mean of its divisors is an integer number (9958494).

Almost surely, 2^64493036 is an apocalyptic number.

It is an amenable number.

64493036 is a deficient number, since it is larger than the sum of its proper divisors (55008892).

64493036 is a wasteful number, since it uses less digits than its factorization.

64493036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948448 (or 948446 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 64493036 is about 8030.7556306988. The cubic root of 64493036 is about 401.0245319287.

The spelling of 64493036 in words is "sixty-four million, four hundred ninety-three thousand, thirty-six".