61526064 has 40 divisors (see below), whose sum is σ = 161555632. Its totient is φ = 20171520.

The previous prime is 61526053. The next prime is 61526083. The reversal of 61526064 is 46062516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7579 + ... + 13434.

Almost surely, 2^61526064 is an apocalyptic number.

It is an amenable number.

61526064 is an abundant number, since it is smaller than the sum of its proper divisors (100029568).

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

61526064 is a wasteful number, since it uses less digits than its factorization.

61526064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21085 (or 21079 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61526064 is about 7843.8551745937. The cubic root of 61526064 is about 394.7780925238.

The spelling of 61526064 in words is "sixty-one million, five hundred twenty-six thousand, sixty-four".