61627405 has 8 divisors (see below), whose sum is σ = 84517632. Its totient is φ = 42258768.

The previous prime is 61627351. The next prime is 61627421. The reversal of 61627405 is 50472616.

It is a happy number.

61627405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61627405 - 2¹⁷ = 61496333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 880357 + ... + 880426.

It is an arithmetic number, because the mean of its divisors is an integer number (10564704).

Almost surely, 2^61627405 is an apocalyptic number.

It is an amenable number.

61627405 is a deficient number, since it is larger than the sum of its proper divisors (22890227).

61627405 is a wasteful number, since it uses less digits than its factorization.

61627405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760795.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 61627405 is about 7850.3124141654. The cubic root of 61627405 is about 394.9947229974.

The spelling of 61627405 in words is "sixty-one million, six hundred twenty-seven thousand, four hundred five".