64994950 has 12 divisors (see below), whose sum is σ = 120890700. Its totient is φ = 25997960.

The previous prime is 64994939. The next prime is 64994983. The reversal of 64994950 is 5949946.

It is a self number, because there is not a number n which added to its sum of digits gives 64994950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 649900 + ... + 649999.

It is an arithmetic number, because the mean of its divisors is an integer number (10074225).

Almost surely, 2^64994950 is an apocalyptic number.

64994950 is a deficient number, since it is larger than the sum of its proper divisors (55895750).

64994950 is a wasteful number, since it uses less digits than its factorization.

64994950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299911 (or 1299906 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 64994950 is about 8061.9445545104. The cubic root of 64994950 is about 402.0621629405.

It can be divided in two parts, 6499 and 4950, that added together give a square (11449 = 107²).

The spelling of 64994950 in words is "sixty-four million, nine hundred ninety-four thousand, nine hundred fifty".