61916375 has 16 divisors (see below), whose sum is σ = 78435552. Its totient is φ = 48787200.

The previous prime is 61916369. The next prime is 61916377. The reversal of 61916375 is 57361916.

It is not a de Polignac number, because 61916375 - 2⁴ = 61916359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61916377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4679 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (4902222).

Almost surely, 2^61916375 is an apocalyptic number.

61916375 is a deficient number, since it is larger than the sum of its proper divisors (16519177).

61916375 is an equidigital number, since it uses as much as digits as its factorization.

61916375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475 (or 7465 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 61916375 is about 7868.6958894089. The cubic root of 61916375 is about 395.6111353743.

The spelling of 61916375 in words is "sixty-one million, nine hundred sixteen thousand, three hundred seventy-five".