61424671 has 16 divisors (see below), whose sum is σ = 79054848. Its totient is φ = 46317600.

The previous prime is 61424669. The next prime is 61424707. The reversal of 61424671 is 17642416.

61424671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61424671 - 2¹ = 61424669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61424371) 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 15 ways as a sum of consecutive naturals, for example, 10480 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (4940928).

Almost surely, 2^61424671 is an apocalyptic number.

61424671 is a deficient number, since it is larger than the sum of its proper divisors (17630177).

61424671 is a wasteful number, since it uses less digits than its factorization.

61424671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782.

The product of its digits is 8064, while the sum is 31.

The square root of 61424671 is about 7837.3892974638. The cubic root of 61424671 is about 394.5611127007.

The spelling of 61424671 in words is "sixty-one million, four hundred twenty-four thousand, six hundred seventy-one".