64274859 has 24 divisors (see below), whose sum is σ = 101602800. Its totient is φ = 38831040.

The previous prime is 64274831. The next prime is 64274867. The reversal of 64274859 is 95847246.

It is a happy number.

It is not a de Polignac number, because 64274859 - 2⁷ = 64274731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64274879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37677 + ... + 39345.

It is an arithmetic number, because the mean of its divisors is an integer number (4233450).

Almost surely, 2^64274859 is an apocalyptic number.

64274859 is a deficient number, since it is larger than the sum of its proper divisors (37327941).

64274859 is a wasteful number, since it uses less digits than its factorization.

64274859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2072 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 64274859 is about 8017.1602827934. The cubic root of 64274859 is about 400.5718051244.

The spelling of 64274859 in words is "sixty-four million, two hundred seventy-four thousand, eight hundred fifty-nine".