61476949 has 4 divisors (see below), whose sum is σ = 61654464. Its totient is φ = 61299436.

The previous prime is 61476941. The next prime is 61477007. The reversal of 61476949 is 94967416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61476949 - 2³ = 61476941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61476899 and 61476908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61476941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88237 + ... + 88930.

It is an arithmetic number, because the mean of its divisors is an integer number (15413616).

Almost surely, 2^61476949 is an apocalyptic number.

It is an amenable number.

61476949 is a deficient number, since it is larger than the sum of its proper divisors (177515).

61476949 is a wasteful number, since it uses less digits than its factorization.

61476949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177514.

The product of its digits is 326592, while the sum is 46.

The square root of 61476949 is about 7840.7237548583. The cubic root of 61476949 is about 394.6730167967.

The spelling of 61476949 in words is "sixty-one million, four hundred seventy-six thousand, nine hundred forty-nine".