64862073 has 16 divisors (see below), whose sum is σ = 98690560. Its totient is φ = 42072048.

The previous prime is 64862059. The next prime is 64862107. The reversal of 64862073 is 37026846.

64862073 is a `hidden beast` number, since 648 + 6 + 2 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 64862073 - 2¹⁸ = 64599929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64862023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31465 + ... + 33462.

It is an arithmetic number, because the mean of its divisors is an integer number (6168160).

Almost surely, 2^64862073 is an apocalyptic number.

It is an amenable number.

64862073 is a deficient number, since it is larger than the sum of its proper divisors (33828487).

64862073 is a wasteful number, since it uses less digits than its factorization.

64862073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64973 (or 64967 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 64862073 is about 8053.6993363299. The cubic root of 64862073 is about 401.7879813155.

The spelling of 64862073 in words is "sixty-four million, eight hundred sixty-two thousand, seventy-three".