61941402 has 32 divisors (see below), whose sum is σ = 138879360. Its totient is φ = 20462400.

The previous prime is 61941401. The next prime is 61941409. The reversal of 61941402 is 20414916.

61941402 is a `hidden beast` number, since 619 + 4 + 1 + 40 + 2 = 666.

61941402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61941401) 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 15 ways as a sum of consecutive naturals, for example, 1027 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (4339980).

Almost surely, 2^61941402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61941402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69439680).

61941402 is an abundant number, since it is smaller than the sum of its proper divisors (76937958).

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

61941402 is a wasteful number, since it uses less digits than its factorization.

61941402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275 (or 10269 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61941402 is about 7870.2860176743. The cubic root of 61941402 is about 395.6644310556.

The spelling of 61941402 in words is "sixty-one million, nine hundred forty-one thousand, four hundred two".