61994952 has 48 divisors (see below), whose sum is σ = 172006380. Its totient is φ = 20160000.

The previous prime is 61994951. The next prime is 61994963. The reversal of 61994952 is 25949916.

It can be written as a sum of positive squares in 2 ways, for example, as 51065316 + 10929636 = 7146^2 + 3306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61994898 and 61994907.

It is not an unprimeable number, because it can be changed into a prime (61994951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7549 + ... + 13452.

Almost surely, 2^61994952 is an apocalyptic number.

It is an amenable number.

61994952 is an abundant number, since it is smaller than the sum of its proper divisors (110011428).

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

61994952 is a wasteful number, since it uses less digits than its factorization.

61994952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054 (or 21047 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 61994952 is about 7873.6873191663. The cubic root of 61994952 is about 395.7784190438.

The spelling of 61994952 in words is "sixty-one million, nine hundred ninety-four thousand, nine hundred fifty-two".