64499802 has 16 divisors (see below), whose sum is σ = 136588032. Its totient is φ = 20235200.

The previous prime is 64499791. The next prime is 64499849. The reversal of 64499802 is 20899446.

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, 316074 + ... + 316277.

It is an arithmetic number, because the mean of its divisors is an integer number (8536752).

Almost surely, 2^64499802 is an apocalyptic number.

64499802 is an abundant number, since it is smaller than the sum of its proper divisors (72088230).

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

64499802 is a wasteful number, since it uses less digits than its factorization.

64499802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632373.

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

The square root of 64499802 is about 8031.1768751535. The cubic root of 64499802 is about 401.0385553400.

The spelling of 64499802 in words is "sixty-four million, four hundred ninety-nine thousand, eight hundred two".