61902468 has 30 divisors (see below), whose sum is σ = 161826126. Its totient is φ = 20634048.

The previous prime is 61902461. The next prime is 61902473. The reversal of 61902468 is 86420916.

61902468 is a `hidden beast` number, since 6 + 190 + 2 + 468 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61591104 + 311364 = 7848^2 + 558^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61902461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 95205 + ... + 95852.

Almost surely, 2^61902468 is an apocalyptic number.

It is an amenable number.

61902468 is an abundant number, since it is smaller than the sum of its proper divisors (99923658).

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

61902468 is a wasteful number, since it uses less digits than its factorization.

61902468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191073 (or 191062 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 61902468 is about 7867.8121482404. The cubic root of 61902468 is about 395.5815138295.

The spelling of 61902468 in words is "sixty-one million, nine hundred two thousand, four hundred sixty-eight".