61626464 has 12 divisors (see below), whose sum is σ = 121327164. Its totient is φ = 30813216.

The previous prime is 61626449. The next prime is 61626469. The reversal of 61626464 is 46462616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61626469) by changing a digit.

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 as a sum of consecutive naturals, namely, 962882 + ... + 962945.

It is an arithmetic number, because the mean of its divisors is an integer number (10110597).

Almost surely, 2^61626464 is an apocalyptic number.

It is an amenable number.

61626464 is a deficient number, since it is larger than the sum of its proper divisors (59700700).

61626464 is a wasteful number, since it uses less digits than its factorization.

61626464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925837 (or 1925829 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 61626464 is about 7850.2524800162. The cubic root of 61626464 is about 394.9927125719.

The spelling of 61626464 in words is "sixty-one million, six hundred twenty-six thousand, four hundred sixty-four".