61273671 has 16 divisors (see below), whose sum is σ = 84260736. Its totient is φ = 39586976.

The previous prime is 61273649. The next prime is 61273691. The reversal of 61273671 is 17637216.

It is a cyclic number.

It is not a de Polignac number, because 61273671 - 2²¹ = 59176519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61273601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10876 + ... + 15518.

It is an arithmetic number, because the mean of its divisors is an integer number (5266296).

Almost surely, 2^61273671 is an apocalyptic number.

61273671 is a deficient number, since it is larger than the sum of its proper divisors (22987065).

61273671 is a wasteful number, since it uses less digits than its factorization.

61273671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782.

The product of its digits is 10584, while the sum is 33.

The square root of 61273671 is about 7827.7500598831. The cubic root of 61273671 is about 394.2375314505.

The spelling of 61273671 in words is "sixty-one million, two hundred seventy-three thousand, six hundred seventy-one".