61874913 has 8 divisors (see below), whose sum is σ = 82761408. Its totient is φ = 41119184.

The previous prime is 61874851. The next prime is 61874927. The reversal of 61874913 is 31947816.

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

It is a cyclic number.

It is not a de Polignac number, because 61874913 - 2¹⁷ = 61743841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61874413) 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 7 ways as a sum of consecutive naturals, for example, 31581 + ... + 33482.

It is an arithmetic number, because the mean of its divisors is an integer number (10345176).

Almost surely, 2^61874913 is an apocalyptic number.

It is an amenable number.

61874913 is a deficient number, since it is larger than the sum of its proper divisors (20886495).

61874913 is a wasteful number, since it uses less digits than its factorization.

61874913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65383.

The product of its digits is 36288, while the sum is 39.

The square root of 61874913 is about 7866.0608311912. The cubic root of 61874913 is about 395.5228092967.

The spelling of 61874913 in words is "sixty-one million, eight hundred seventy-four thousand, nine hundred thirteen".