61942379 has 4 divisors (see below), whose sum is σ = 61966200. Its totient is φ = 61918560.

The previous prime is 61942369. The next prime is 61942393. The reversal of 61942379 is 97324916.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61942379 - 2²⁴ = 45165163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61942369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7454 + ... + 13395.

It is an arithmetic number, because the mean of its divisors is an integer number (15491550).

Almost surely, 2^61942379 is an apocalyptic number.

61942379 is a deficient number, since it is larger than the sum of its proper divisors (23821).

61942379 is a wasteful number, since it uses less digits than its factorization.

61942379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23820.

The product of its digits is 81648, while the sum is 41.

The square root of 61942379 is about 7870.3480863301. The cubic root of 61942379 is about 395.6665113127. Note that the first 3 decimals are identical.

The spelling of 61942379 in words is "sixty-one million, nine hundred forty-two thousand, three hundred seventy-nine".