64373534 has 4 divisors (see below), whose sum is σ = 96560304. Its totient is φ = 32186766.

The previous prime is 64373497. The next prime is 64373549. The reversal of 64373534 is 43537346.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 64373494 and 64373503.

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, 16093382 + ... + 16093385.

It is an arithmetic number, because the mean of its divisors is an integer number (24140076).

Almost surely, 2^64373534 is an apocalyptic number.

64373534 is a deficient number, since it is larger than the sum of its proper divisors (32186770).

64373534 is a wasteful number, since it uses less digits than its factorization.

64373534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32186769.

The product of its digits is 90720, while the sum is 35.

The square root of 64373534 is about 8023.3119096792. The cubic root of 64373534 is about 400.7766867515.

The spelling of 64373534 in words is "sixty-four million, three hundred seventy-three thousand, five hundred thirty-four".