64406548 has 6 divisors (see below), whose sum is σ = 112711466. Its totient is φ = 32203272.

The previous prime is 64406539. The next prime is 64406579. The reversal of 64406548 is 84560446.

It can be written as a sum of positive squares in only one way, i.e., 64032004 + 374544 = 8002^2 + 612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8050815 + ... + 8050822.

Almost surely, 2^64406548 is an apocalyptic number.

It is an amenable number.

64406548 is a deficient number, since it is larger than the sum of its proper divisors (48304918).

64406548 is a wasteful number, since it uses less digits than its factorization.

64406548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16101641 (or 16101639 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 64406548 is about 8025.3690257832. The cubic root of 64406548 is about 400.8451878858.

The spelling of 64406548 in words is "sixty-four million, four hundred six thousand, five hundred forty-eight".