64253270 has 32 divisors (see below), whose sum is σ = 120528000. Its totient is φ = 24631936.

The previous prime is 64253257. The next prime is 64253281. The reversal of 64253270 is 7235246.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42467 + ... + 43953.

It is an arithmetic number, because the mean of its divisors is an integer number (3766500).

Almost surely, 2^64253270 is an apocalyptic number.

64253270 is a deficient number, since it is larger than the sum of its proper divisors (56274730).

64253270 is a wasteful number, since it uses less digits than its factorization.

64253270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 64253270 is about 8015.8137453411. The cubic root of 64253270 is about 400.5269513342.

The spelling of 64253270 in words is "sixty-four million, two hundred fifty-three thousand, two hundred seventy".