61489276 has 6 divisors (see below), whose sum is σ = 107606240. Its totient is φ = 30744636.

The previous prime is 61489261. The next prime is 61489279. The reversal of 61489276 is 67298416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61489279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7686156 + ... + 7686163.

Almost surely, 2^61489276 is an apocalyptic number.

It is an amenable number.

61489276 is a deficient number, since it is larger than the sum of its proper divisors (46116964).

61489276 is a wasteful number, since it uses less digits than its factorization.

61489276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15372323 (or 15372321 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 61489276 is about 7841.5098036029. The cubic root of 61489276 is about 394.6993942125.

The spelling of 61489276 in words is "sixty-one million, four hundred eighty-nine thousand, two hundred seventy-six".