64672754 has 16 divisors (see below), whose sum is σ = 98134848. Its totient is φ = 31963632.

The previous prime is 64672753. The next prime is 64672759. The reversal of 64672754 is 45727646.

It is a super-3 number, since 3×64672754³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64672753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75392 + ... + 76244.

It is an arithmetic number, because the mean of its divisors is an integer number (6133428).

Almost surely, 2^64672754 is an apocalyptic number.

64672754 is a deficient number, since it is larger than the sum of its proper divisors (33462094).

64672754 is a wasteful number, since it uses less digits than its factorization.

64672754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its digits is 282240, while the sum is 41.

The square root of 64672754 is about 8041.9372044303. The cubic root of 64672754 is about 401.3966883115.

The spelling of 64672754 in words is "sixty-four million, six hundred seventy-two thousand, seven hundred fifty-four".