61874379 has 12 divisors (see below), whose sum is σ = 102141936. Its totient is φ = 35356752.

The previous prime is 61874363. The next prime is 61874389. The reversal of 61874379 is 97347816.

It is not a de Polignac number, because 61874379 - 2⁴ = 61874363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61874389) 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 11 ways as a sum of consecutive naturals, for example, 491004 + ... + 491129.

It is an arithmetic number, because the mean of its divisors is an integer number (8511828).

Almost surely, 2^61874379 is an apocalyptic number.

61874379 is a deficient number, since it is larger than the sum of its proper divisors (40267557).

61874379 is a wasteful number, since it uses less digits than its factorization.

61874379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982146 (or 982143 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 61874379 is about 7866.0268878259. The cubic root of 61874379 is about 395.5216714646.

The spelling of 61874379 in words is "sixty-one million, eight hundred seventy-four thousand, three hundred seventy-nine".