61476973 has 4 divisors (see below), whose sum is σ = 61495740. Its totient is φ = 61458208.

The previous prime is 61476941. The next prime is 61477007. The reversal of 61476973 is 37967416.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44063044 + 17413929 = 6638^2 + 4173^2 .

It is a cyclic number.

It is not a de Polignac number, because 61476973 - 2⁵ = 61476941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61476673) 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, 3040 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (15373935).

Almost surely, 2^61476973 is an apocalyptic number.

It is an amenable number.

61476973 is a deficient number, since it is larger than the sum of its proper divisors (18767).

61476973 is a wasteful number, since it uses less digits than its factorization.

61476973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18766.

The product of its digits is 190512, while the sum is 43.

The square root of 61476973 is about 7840.7252853292. The cubic root of 61476973 is about 394.6730681555.

The spelling of 61476973 in words is "sixty-one million, four hundred seventy-six thousand, nine hundred seventy-three".