61851792 has 40 divisors (see below), whose sum is σ = 162043200. Its totient is φ = 20325760.

The previous prime is 61851791. The next prime is 61851799. The reversal of 61851792 is 29715816.

61851792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61851792² = 7651288347222528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61851792.

It is not an unprimeable number, because it can be changed into a prime (61851791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5667 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (4051080).

Almost surely, 2^61851792 is an apocalyptic number.

It is an amenable number.

61851792 is an abundant number, since it is smaller than the sum of its proper divisors (100191408).

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

61851792 is a wasteful number, since it uses less digits than its factorization.

61851792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231 (or 18225 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 61851792 is about 7864.5910256033. The cubic root of 61851792 is about 395.4735377275.

The spelling of 61851792 in words is "sixty-one million, eight hundred fifty-one thousand, seven hundred ninety-two".