61940427 has 8 divisors (see below), whose sum is σ = 83718864. Its totient is φ = 40727808.

The previous prime is 61940419. The next prime is 61940453. The reversal of 61940427 is 72404916.

It is a happy number.

61940427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61940427 - 2³ = 61940419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61940477) 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, 141198 + ... + 141635.

It is an arithmetic number, because the mean of its divisors is an integer number (10464858).

Almost surely, 2^61940427 is an apocalyptic number.

61940427 is a deficient number, since it is larger than the sum of its proper divisors (21778437).

61940427 is a wasteful number, since it uses less digits than its factorization.

61940427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282909.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61940427 is about 7870.2240755902. The cubic root of 61940427 is about 395.6623550352.

The spelling of 61940427 in words is "sixty-one million, nine hundred forty thousand, four hundred twenty-seven".