64697050 has 48 divisors (see below), whose sum is σ = 133027200. Its totient is φ = 23212800.

The previous prime is 64697041. The next prime is 64697077. The reversal of 64697050 is 5079646.

It is a super-3 number, since 3×64697050³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42706 + ... + 44194.

It is an arithmetic number, because the mean of its divisors is an integer number (2771400).

Almost surely, 2^64697050 is an apocalyptic number.

64697050 is an abundant number, since it is smaller than the sum of its proper divisors (68330150).

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

64697050 is a wasteful number, since it uses less digits than its factorization.

64697050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 64697050 is about 8043.4476438900. The cubic root of 64697050 is about 401.4469470493.

The spelling of 64697050 in words is "sixty-four million, six hundred ninety-seven thousand, fifty".