61372711 has 4 divisors (see below), whose sum is σ = 61397424. Its totient is φ = 61348000.

The previous prime is 61372699. The next prime is 61372721. The reversal of 61372711 is 11727316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61372711 - 2¹⁷ = 61241639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61372711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61372721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8155 + ... + 13756.

It is an arithmetic number, because the mean of its divisors is an integer number (15349356).

Almost surely, 2^61372711 is an apocalyptic number.

61372711 is a deficient number, since it is larger than the sum of its proper divisors (24713).

61372711 is a wasteful number, since it uses less digits than its factorization.

61372711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24712.

The product of its digits is 1764, while the sum is 28.

The square root of 61372711 is about 7834.0737167836. The cubic root of 61372711 is about 394.4498263690.

The spelling of 61372711 in words is "sixty-one million, three hundred seventy-two thousand, seven hundred eleven".