61750428 has 24 divisors (see below), whose sum is σ = 147599760. Its totient is φ = 20081280.

The previous prime is 61750427. The next prime is 61750439. The reversal of 61750428 is 82405716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61750427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62263 + ... + 63246.

It is an arithmetic number, because the mean of its divisors is an integer number (6149990).

Almost surely, 2^61750428 is an apocalyptic number.

It is an amenable number.

61750428 is an abundant number, since it is smaller than the sum of its proper divisors (85849332).

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

61750428 is a wasteful number, since it uses less digits than its factorization.

61750428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125557 (or 125555 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 61750428 is about 7858.1440556915. The cubic root of 61750428 is about 395.2573828585.

The spelling of 61750428 in words is "sixty-one million, seven hundred fifty thousand, four hundred twenty-eight".