61749284 has 12 divisors (see below), whose sum is σ = 108116400. Its totient is φ = 30858888.

The previous prime is 61749271. The next prime is 61749299. The reversal of 61749284 is 48294716.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12527 + ... + 16745.

It is an arithmetic number, because the mean of its divisors is an integer number (9009700).

Almost surely, 2^61749284 is an apocalyptic number.

It is an amenable number.

61749284 is a deficient number, since it is larger than the sum of its proper divisors (46367116).

61749284 is a wasteful number, since it uses less digits than its factorization.

61749284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882 (or 7880 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 61749284 is about 7858.0712646298. The cubic root of 61749284 is about 395.2549419727.

The spelling of 61749284 in words is "sixty-one million, seven hundred forty-nine thousand, two hundred eighty-four".