61275916 has 24 divisors (see below), whose sum is σ = 115703504. Its totient is φ = 28226880.

The previous prime is 61275913. The next prime is 61275917. The reversal of 61275916 is 61957216.

It is not an unprimeable number, because it can be changed into a prime (61275913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41446 + ... + 42898.

Almost surely, 2^61275916 is an apocalyptic number.

It is an amenable number.

61275916 is a deficient number, since it is larger than the sum of its proper divisors (54427588).

61275916 is a wasteful number, since it uses less digits than its factorization.

61275916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2279 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 61275916 is about 7827.8934586516. The cubic root of 61275916 is about 394.2423462017.

The spelling of 61275916 in words is "sixty-one million, two hundred seventy-five thousand, nine hundred sixteen".