61622506 has 16 divisors (see below), whose sum is σ = 104315040. Its totient is φ = 27044080.

The previous prime is 61622503. The next prime is 61622507. The reversal of 61622506 is 60522616.

61622506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61622503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47656 + ... + 48931.

It is an arithmetic number, because the mean of its divisors is an integer number (6519690).

Almost surely, 2^61622506 is an apocalyptic number.

61622506 is a deficient number, since it is larger than the sum of its proper divisors (42692534).

61622506 is a wasteful number, since it uses less digits than its factorization.

61622506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96629.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 61622506 is about 7850.0003821656. Note that the first 3 decimals coincide. The cubic root of 61622506 is about 394.9842561689.

It can be divided in two parts, 61622 and 506, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 61622506 in words is "sixty-one million, six hundred twenty-two thousand, five hundred six".