61941144 has 32 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 20596512.

The previous prime is 61941137. The next prime is 61941151. The reversal of 61941144 is 44114916.

It is an interprime number because it is at equal distance from previous prime (61941137) and next prime (61941151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7597 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (4851000).

Almost surely, 2^61941144 is an apocalyptic number.

It is an amenable number.

61941144 is an abundant number, since it is smaller than the sum of its proper divisors (93290856).

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

61941144 is a wasteful number, since it uses less digits than its factorization.

61941144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327 (or 6323 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 61941144 is about 7870.2696268934. The cubic root of 61941144 is about 395.6638817108.

The spelling of 61941144 in words is "sixty-one million, nine hundred forty-one thousand, one hundred forty-four".