61626047 has 12 divisors (see below), whose sum is σ = 72782928. Its totient is φ = 51112800.

The previous prime is 61626041. The next prime is 61626049. The reversal of 61626047 is 74062616.

It is not a de Polignac number, because 61626047 - 2⁶ = 61625983 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61626041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (6065244).

Almost surely, 2^61626047 is an apocalyptic number.

61626047 is a deficient number, since it is larger than the sum of its proper divisors (11156881).

61626047 is an equidigital number, since it uses as much as digits as its factorization.

61626047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9199 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 61626047 is about 7850.2259203159. The cubic root of 61626047 is about 394.9918216541.

The spelling of 61626047 in words is "sixty-one million, six hundred twenty-six thousand, forty-seven".