1697228064 has 72 divisors (see below), whose sum is σ = 5515997760. Its totient is φ = 484921728.

The previous prime is 1697228051. The next prime is 1697228069. The reversal of 1697228064 is 4608227961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (1697228069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418924 + ... + 422955.

It is an arithmetic number, because the mean of its divisors is an integer number (76611080).

Almost surely, 2^1697228064 is an apocalyptic number.

1697228064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1697228064 is an abundant number, since it is smaller than the sum of its proper divisors (3818769696).

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

1697228064 is a wasteful number, since it uses less digits than its factorization.

1697228064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841902 (or 841891 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1697228064 is about 41197.4278808763. The cubic root of 1697228064 is about 1192.8341607998.

The spelling of 1697228064 in words is "one billion, six hundred ninety-seven million, two hundred twenty-eight thousand, sixty-four".