61873956 has 135 divisors (see below), whose sum is σ = 178456971. Its totient is φ = 18689616.

The previous prime is 61873943. The next prime is 61873991. The reversal of 61873956 is 65937816.

It is a happy number.

The square root of 61873956 is 7866.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2690161 + ... + 2690183.

Almost surely, 2^61873956 is an apocalyptic number.

61873956 is the 7866-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61873956

61873956 is an abundant number, since it is smaller than the sum of its proper divisors (116583015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61873956 is a wasteful number, since it uses less digits than its factorization.

61873956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 47 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The cubic root of 61873956 is about 395.5207701435.

The spelling of 61873956 in words is "sixty-one million, eight hundred seventy-three thousand, nine hundred fifty-six".