64453670 has 16 divisors (see below), whose sum is σ = 116108208. Its totient is φ = 25761120.

The previous prime is 64453633. The next prime is 64453679. The reversal of 64453670 is 7635446.

It is a self number, because there is not a number n which added to its sum of digits gives 64453670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64453679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22457 + ... + 25163.

It is an arithmetic number, because the mean of its divisors is an integer number (7256763).

Almost surely, 2^64453670 is an apocalyptic number.

64453670 is a deficient number, since it is larger than the sum of its proper divisors (51654538).

64453670 is a wasteful number, since it uses less digits than its factorization.

64453670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 64453670 is about 8028.3043041479. The cubic root of 64453670 is about 400.9429213352.

The spelling of 64453670 in words is "sixty-four million, four hundred fifty-three thousand, six hundred seventy".