61062864 has 40 divisors (see below), whose sum is σ = 163188960. Its totient is φ = 19651968.

The previous prime is 61062863. The next prime is 61062871. The reversal of 61062864 is 46826016.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61062863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20542 + ... + 23325.

It is an arithmetic number, because the mean of its divisors is an integer number (4079724).

Almost surely, 2^61062864 is an apocalyptic number.

It is an amenable number.

61062864 is an abundant number, since it is smaller than the sum of its proper divisors (102126096).

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

61062864 is a wasteful number, since it uses less digits than its factorization.

61062864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43907 (or 43901 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 61062864 is about 7814.2730947926. The cubic root of 61062864 is about 393.7848980911.

The spelling of 61062864 in words is "sixty-one million, sixty-two thousand, eight hundred sixty-four".