61738828 has 12 divisors (see below), whose sum is σ = 113729560. Its totient is φ = 29244672.

The previous prime is 61738823. The next prime is 61738843. The reversal of 61738828 is 82883716.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61738823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406101 + ... + 406252.

Almost surely, 2^61738828 is an apocalyptic number.

It is an amenable number.

61738828 is a deficient number, since it is larger than the sum of its proper divisors (51990732).

61738828 is a wasteful number, since it uses less digits than its factorization.

61738828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812376 (or 812374 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 61738828 is about 7857.4059332581. The cubic root of 61738828 is about 395.2326312203.

The spelling of 61738828 in words is "sixty-one million, seven hundred thirty-eight thousand, eight hundred twenty-eight".