64477074 has 16 divisors (see below), whose sum is σ = 129777408. Its totient is φ = 21355152.

The previous prime is 64477067. The next prime is 64477079. The reversal of 64477074 is 47077446.

It is not an unprimeable number, because it can be changed into a prime (64477079) 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, 33282 + ... + 35165.

It is an arithmetic number, because the mean of its divisors is an integer number (8111088).

Almost surely, 2^64477074 is an apocalyptic number.

64477074 is an abundant number, since it is smaller than the sum of its proper divisors (65300334).

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

64477074 is a wasteful number, since it uses less digits than its factorization.

64477074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68609.

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 64477074 is about 8029.7617648346. The cubic root of 64477074 is about 400.9914447297.

The spelling of 64477074 in words is "sixty-four million, four hundred seventy-seven thousand, seventy-four".