61913067 has 8 divisors (see below), whose sum is σ = 83028624. Its totient is φ = 41036448.

The previous prime is 61913017. The next prime is 61913069. The reversal of 61913067 is 76031916.

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

It is not a de Polignac number, because 61913067 - 2⁶ = 61913003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61913069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59128 + ... + 60165.

It is an arithmetic number, because the mean of its divisors is an integer number (10378578).

Almost surely, 2^61913067 is an apocalyptic number.

61913067 is a deficient number, since it is larger than the sum of its proper divisors (21115557).

61913067 is a wasteful number, since it uses less digits than its factorization.

61913067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119469.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 61913067 is about 7868.4856865854. The cubic root of 61913067 is about 395.6040898232.

The spelling of 61913067 in words is "sixty-one million, nine hundred thirteen thousand, sixty-seven".