61404711 has 4 divisors (see below), whose sum is σ = 81872952. Its totient is φ = 40936472.

The previous prime is 61404709. The next prime is 61404767. The reversal of 61404711 is 11740416.

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 61404711 - 2¹ = 61404709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61404011) 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, 10234116 + ... + 10234121.

It is an arithmetic number, because the mean of its divisors is an integer number (20468238).

Almost surely, 2^61404711 is an apocalyptic number.

61404711 is a deficient number, since it is larger than the sum of its proper divisors (20468241).

61404711 is a wasteful number, since it uses less digits than its factorization.

61404711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468240.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 61404711 is about 7836.1158107828. The cubic root of 61404711 is about 394.5183704123.

The spelling of 61404711 in words is "sixty-one million, four hundred four thousand, seven hundred eleven".