61764941 has 6 divisors (see below), whose sum is σ = 71849070. Its totient is φ = 52941336.

The previous prime is 61764929. The next prime is 61764947. The reversal of 61764941 is 14946716.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35652841 + 26112100 = 5971^2 + 5110^2 .

It is not a de Polignac number, because 61764941 - 2²² = 57570637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61764895 and 61764904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61764947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 630206 + ... + 630303.

It is an arithmetic number, because the mean of its divisors is an integer number (11974845).

Almost surely, 2^61764941 is an apocalyptic number.

It is an amenable number.

61764941 is a deficient number, since it is larger than the sum of its proper divisors (10084129).

61764941 is a wasteful number, since it uses less digits than its factorization.

61764941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260523 (or 1260516 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 61764941 is about 7859.0674383161. The cubic root of 61764941 is about 395.2883457805.

The spelling of 61764941 in words is "sixty-one million, seven hundred sixty-four thousand, nine hundred forty-one".