61773460 has 48 divisors (see below), whose sum is σ = 148732416. Its totient is φ = 21111552.

The previous prime is 61773457. The next prime is 61773521. The reversal of 61773460 is 6437716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64344 + ... + 65296.

It is an arithmetic number, because the mean of its divisors is an integer number (3098592).

Almost surely, 2^61773460 is an apocalyptic number.

It is an amenable number.

61773460 is an abundant number, since it is smaller than the sum of its proper divisors (86958956).

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

61773460 is a wasteful number, since it uses less digits than its factorization.

61773460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 61773460 is about 7859.6094050532. The cubic root of 61773460 is about 395.3065184772.

The spelling of 61773460 in words is "sixty-one million, seven hundred seventy-three thousand, four hundred sixty".